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Finding the Fourth Proportional to 559,553.13, 838,627.43 and 440,755.29

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Solution

The fourth proportional to 559,553.13, 838,627.43 and 440,755.29 is: 660,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,553.13 : 838,627.43 = 440,755.29 : x
  2. Step 2: Convert to fraction form
    559,553.13/838,627.43 = 440,755.29/x
  3. Step 3: Cross multiply
    559,553.13x = 838,627.43 × 440,755.29
  4. Step 4: Simplify right side
    559,553.13x = 369,629,473,907.83
  5. Step 5: Solve for x
    x = 369,629,473,907.83/559,553.13
  6. Step 6: Final answer
    x = 660,579.76

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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.