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Finding the Fourth Proportional to 865,374.72, 1,297,711.44 and 359,592

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Solution

The fourth proportional to 865,374.72, 1,297,711.44 and 359,592 is: 539,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,374.72 : 1,297,711.44 = 359,592 : x
  2. Step 2: Convert to fraction form
    865,374.72/1,297,711.44 = 359,592/x
  3. Step 3: Cross multiply
    865,374.72x = 1,297,711.44 × 359,592
  4. Step 4: Simplify right side
    865,374.72x = 466,646,652,132.48
  5. Step 5: Solve for x
    x = 466,646,652,132.48/865,374.72
  6. Step 6: Final answer
    x = 539,242.30

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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.