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Finding the Fourth Proportional to 580,088.88, 870,098.16 and 344,928

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Solution

The fourth proportional to 580,088.88, 870,098.16 and 344,928 is: 517,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,088.88 : 870,098.16 = 344,928 : x
  2. Step 2: Convert to fraction form
    580,088.88/870,098.16 = 344,928/x
  3. Step 3: Cross multiply
    580,088.88x = 870,098.16 × 344,928
  4. Step 4: Simplify right side
    580,088.88x = 300,121,218,132.48
  5. Step 5: Solve for x
    x = 300,121,218,132.48/580,088.88
  6. Step 6: Final answer
    x = 517,371.09

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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.