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Finding the Fourth Proportional to 587,293.70, 880,940.55 and 487,652.90

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Solution

The fourth proportional to 587,293.70, 880,940.55 and 487,652.90 is: 731,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,293.70 : 880,940.55 = 487,652.90 : x
  2. Step 2: Convert to fraction form
    587,293.70/880,940.55 = 487,652.90/x
  3. Step 3: Cross multiply
    587,293.70x = 880,940.55 × 487,652.90
  4. Step 4: Simplify right side
    587,293.70x = 429,593,213,935.10
  5. Step 5: Solve for x
    x = 429,593,213,935.10/587,293.70
  6. Step 6: Final answer
    x = 731,479.35

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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.