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Finding the Fourth Proportional to 609,572.88, 914,505.30 and 254,389.32

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Solution

The fourth proportional to 609,572.88, 914,505.30 and 254,389.32 is: 381,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,572.88 : 914,505.30 = 254,389.32 : x
  2. Step 2: Convert to fraction form
    609,572.88/914,505.30 = 254,389.32/x
  3. Step 3: Cross multiply
    609,572.88x = 914,505.30 × 254,389.32
  4. Step 4: Simplify right side
    609,572.88x = 232,640,381,403.40
  5. Step 5: Solve for x
    x = 232,640,381,403.40/609,572.88
  6. Step 6: Final answer
    x = 381,644.90

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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.