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Finding the Fourth Proportional to 610,753.34, 915,982.39 and 256,032.88

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Solution

The fourth proportional to 610,753.34, 915,982.39 and 256,032.88 is: 383,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,753.34 : 915,982.39 = 256,032.88 : x
  2. Step 2: Convert to fraction form
    610,753.34/915,982.39 = 256,032.88/x
  3. Step 3: Cross multiply
    610,753.34x = 915,982.39 × 256,032.88
  4. Step 4: Simplify right side
    610,753.34x = 234,521,609,340.98
  5. Step 5: Solve for x
    x = 234,521,609,340.98/610,753.34
  6. Step 6: Final answer
    x = 383,987.44

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1.5x scale

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.