Home / 550,279.20-759,545.19-356,681.10

Finding the Fourth Proportional to 550,279.20, 759,545.19 and 356,681.10

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Solution

The fourth proportional to 550,279.20, 759,545.19 and 356,681.10 is: 492,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,279.20 : 759,545.19 = 356,681.10 : x
  2. Step 2: Convert to fraction form
    550,279.20/759,545.19 = 356,681.10/x
  3. Step 3: Cross multiply
    550,279.20x = 759,545.19 × 356,681.10
  4. Step 4: Simplify right side
    550,279.20x = 270,915,413,868.91
  5. Step 5: Solve for x
    x = 270,915,413,868.91/550,279.20
  6. Step 6: Final answer
    x = 492,323.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.