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Finding the Fourth Proportional to 497,002.90, 745,504.35 and 458,511.70

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Solution

The fourth proportional to 497,002.90, 745,504.35 and 458,511.70 is: 687,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,002.90 : 745,504.35 = 458,511.70 : x
  2. Step 2: Convert to fraction form
    497,002.90/745,504.35 = 458,511.70/x
  3. Step 3: Cross multiply
    497,002.90x = 745,504.35 × 458,511.70
  4. Step 4: Simplify right side
    497,002.90x = 341,822,466,875.90
  5. Step 5: Solve for x
    x = 341,822,466,875.90/497,002.90
  6. Step 6: Final answer
    x = 687,767.55

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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.