Home / 482,899.14-724,458.06-258,141.15

Finding the Fourth Proportional to 482,899.14, 724,458.06 and 258,141.15

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Solution

The fourth proportional to 482,899.14, 724,458.06 and 258,141.15 is: 387,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,899.14 : 724,458.06 = 258,141.15 : x
  2. Step 2: Convert to fraction form
    482,899.14/724,458.06 = 258,141.15/x
  3. Step 3: Cross multiply
    482,899.14x = 724,458.06 × 258,141.15
  4. Step 4: Simplify right side
    482,899.14x = 187,012,436,735.17
  5. Step 5: Solve for x
    x = 187,012,436,735.17/482,899.14
  6. Step 6: Final answer
    x = 387,270.18

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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.