Home / 510,209.28-766,696.32-273,721.92

Finding the Fourth Proportional to 510,209.28, 766,696.32 and 273,721.92

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Solution

The fourth proportional to 510,209.28, 766,696.32 and 273,721.92 is: 411,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,209.28 : 766,696.32 = 273,721.92 : x
  2. Step 2: Convert to fraction form
    510,209.28/766,696.32 = 273,721.92/x
  3. Step 3: Cross multiply
    510,209.28x = 766,696.32 × 273,721.92
  4. Step 4: Simplify right side
    510,209.28x = 209,861,588,767.33
  5. Step 5: Solve for x
    x = 209,861,588,767.33/510,209.28
  6. Step 6: Final answer
    x = 411,324.52

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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.