Home / 482,898.27-724,456.75-258,140.28

Finding the Fourth Proportional to 482,898.27, 724,456.75 and 258,140.28

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Solution

The fourth proportional to 482,898.27, 724,456.75 and 258,140.28 is: 387,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,898.27 : 724,456.75 = 258,140.28 : x
  2. Step 2: Convert to fraction form
    482,898.27/724,456.75 = 258,140.28/x
  3. Step 3: Cross multiply
    482,898.27x = 724,456.75 × 258,140.28
  4. Step 4: Simplify right side
    482,898.27x = 187,011,464,025.26
  5. Step 5: Solve for x
    x = 187,011,464,025.26/482,898.27
  6. Step 6: Final answer
    x = 387,268.87

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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.