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Finding the Fourth Proportional to 537,497.70, 806,246.55 and 479,436.90

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Solution

The fourth proportional to 537,497.70, 806,246.55 and 479,436.90 is: 719,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,497.70 : 806,246.55 = 479,436.90 : x
  2. Step 2: Convert to fraction form
    537,497.70/806,246.55 = 479,436.90/x
  3. Step 3: Cross multiply
    537,497.70x = 806,246.55 × 479,436.90
  4. Step 4: Simplify right side
    537,497.70x = 386,544,346,567.70
  5. Step 5: Solve for x
    x = 386,544,346,567.70/537,497.70
  6. Step 6: Final answer
    x = 719,155.35

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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.