Home / 649,117.30-973,445.55-449,437.30

Finding the Fourth Proportional to 649,117.30, 973,445.55 and 449,437.30

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Solution

The fourth proportional to 649,117.30, 973,445.55 and 449,437.30 is: 673,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,117.30 : 973,445.55 = 449,437.30 : x
  2. Step 2: Convert to fraction form
    649,117.30/973,445.55 = 449,437.30/x
  3. Step 3: Cross multiply
    649,117.30x = 973,445.55 × 449,437.30
  4. Step 4: Simplify right side
    649,117.30x = 437,502,739,689.02
  5. Step 5: Solve for x
    x = 437,502,739,689.02/649,117.30
  6. Step 6: Final answer
    x = 673,996.43

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Double scale
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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.