Home / 648,767.40-973,151.10-470,437.80

Finding the Fourth Proportional to 648,767.40, 973,151.10 and 470,437.80

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Solution

The fourth proportional to 648,767.40, 973,151.10 and 470,437.80 is: 705,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,767.40 : 973,151.10 = 470,437.80 : x
  2. Step 2: Convert to fraction form
    648,767.40/973,151.10 = 470,437.80/x
  3. Step 3: Cross multiply
    648,767.40x = 973,151.10 × 470,437.80
  4. Step 4: Simplify right side
    648,767.40x = 457,807,062,551.58
  5. Step 5: Solve for x
    x = 457,807,062,551.58/648,767.40
  6. Step 6: Final answer
    x = 705,656.70

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Double scale
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Similar ratio
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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.