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Finding the Fourth Proportional to 487,727.70, 731,591.55 and 346,010.10

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Solution

The fourth proportional to 487,727.70, 731,591.55 and 346,010.10 is: 519,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,727.70 : 731,591.55 = 346,010.10 : x
  2. Step 2: Convert to fraction form
    487,727.70/731,591.55 = 346,010.10/x
  3. Step 3: Cross multiply
    487,727.70x = 731,591.55 × 346,010.10
  4. Step 4: Simplify right side
    487,727.70x = 253,138,065,374.66
  5. Step 5: Solve for x
    x = 253,138,065,374.66/487,727.70
  6. Step 6: Final answer
    x = 519,015.15

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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.