Home / 498,110.83-747,385.01-261,398.18

Finding the Fourth Proportional to 498,110.83, 747,385.01 and 261,398.18

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Solution

The fourth proportional to 498,110.83, 747,385.01 and 261,398.18 is: 392,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,110.83 : 747,385.01 = 261,398.18 : x
  2. Step 2: Convert to fraction form
    498,110.83/747,385.01 = 261,398.18/x
  3. Step 3: Cross multiply
    498,110.83x = 747,385.01 × 261,398.18
  4. Step 4: Simplify right side
    498,110.83x = 195,365,081,373.28
  5. Step 5: Solve for x
    x = 195,365,081,373.28/498,110.83
  6. Step 6: Final answer
    x = 392,212.07

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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.