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Finding the Fourth Proportional to 591,753.40, 887,630.10 and 493,338.40

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Solution

The fourth proportional to 591,753.40, 887,630.10 and 493,338.40 is: 740,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,753.40 : 887,630.10 = 493,338.40 : x
  2. Step 2: Convert to fraction form
    591,753.40/887,630.10 = 493,338.40/x
  3. Step 3: Cross multiply
    591,753.40x = 887,630.10 × 493,338.40
  4. Step 4: Simplify right side
    591,753.40x = 437,902,013,325.84
  5. Step 5: Solve for x
    x = 437,902,013,325.84/591,753.40
  6. Step 6: Final answer
    x = 740,007.60

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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.