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Finding the Fourth Proportional to 504,352.27, 756,380.78 and 415,385.11

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Solution

The fourth proportional to 504,352.27, 756,380.78 and 415,385.11 is: 622,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,352.27 : 756,380.78 = 415,385.11 : x
  2. Step 2: Convert to fraction form
    504,352.27/756,380.78 = 415,385.11/x
  3. Step 3: Cross multiply
    504,352.27x = 756,380.78 × 415,385.11
  4. Step 4: Simplify right side
    504,352.27x = 314,189,316,264.97
  5. Step 5: Solve for x
    x = 314,189,316,264.97/504,352.27
  6. Step 6: Final answer
    x = 622,956.08

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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.