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Finding the Fourth Proportional to 649,267.40, 973,901.10 and 491,803.40

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Solution

The fourth proportional to 649,267.40, 973,901.10 and 491,803.40 is: 737,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,267.40 : 973,901.10 = 491,803.40 : x
  2. Step 2: Convert to fraction form
    649,267.40/973,901.10 = 491,803.40/x
  3. Step 3: Cross multiply
    649,267.40x = 973,901.10 × 491,803.40
  4. Step 4: Simplify right side
    649,267.40x = 478,967,872,243.74
  5. Step 5: Solve for x
    x = 478,967,872,243.74/649,267.40
  6. Step 6: Final answer
    x = 737,705.10

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.