Home / 880,763.52-1,215,433.76-513,217.92

Finding the Fourth Proportional to 880,763.52, 1,215,433.76 and 513,217.92

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Solution

The fourth proportional to 880,763.52, 1,215,433.76 and 513,217.92 is: 708,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,763.52 : 1,215,433.76 = 513,217.92 : x
  2. Step 2: Convert to fraction form
    880,763.52/1,215,433.76 = 513,217.92/x
  3. Step 3: Cross multiply
    880,763.52x = 1,215,433.76 × 513,217.92
  4. Step 4: Simplify right side
    880,763.52x = 623,782,388,196.77
  5. Step 5: Solve for x
    x = 623,782,388,196.77/880,763.52
  6. Step 6: Final answer
    x = 708,229.13

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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.