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Finding the Fourth Proportional to 563,732.57, 845,598.87 and 487,604.88

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Solution

The fourth proportional to 563,732.57, 845,598.87 and 487,604.88 is: 731,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,732.57 : 845,598.87 = 487,604.88 : x
  2. Step 2: Convert to fraction form
    563,732.57/845,598.87 = 487,604.88/x
  3. Step 3: Cross multiply
    563,732.57x = 845,598.87 × 487,604.88
  4. Step 4: Simplify right side
    563,732.57x = 412,318,135,534.49
  5. Step 5: Solve for x
    x = 412,318,135,534.49/563,732.57
  6. Step 6: Final answer
    x = 731,407.33

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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.