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Finding the Fourth Proportional to 585,011.70, 877,517.55 and 372,435.30

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Solution

The fourth proportional to 585,011.70, 877,517.55 and 372,435.30 is: 558,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,011.70 : 877,517.55 = 372,435.30 : x
  2. Step 2: Convert to fraction form
    585,011.70/877,517.55 = 372,435.30/x
  3. Step 3: Cross multiply
    585,011.70x = 877,517.55 × 372,435.30
  4. Step 4: Simplify right side
    585,011.70x = 326,818,511,989.52
  5. Step 5: Solve for x
    x = 326,818,511,989.52/585,011.70
  6. Step 6: Final answer
    x = 558,652.95

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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.