Home / 765,078.48-1,147,757.04-252,772.92

Finding the Fourth Proportional to 765,078.48, 1,147,757.04 and 252,772.92

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Solution

The fourth proportional to 765,078.48, 1,147,757.04 and 252,772.92 is: 379,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,078.48 : 1,147,757.04 = 252,772.92 : x
  2. Step 2: Convert to fraction form
    765,078.48/1,147,757.04 = 252,772.92/x
  3. Step 3: Cross multiply
    765,078.48x = 1,147,757.04 × 252,772.92
  4. Step 4: Simplify right side
    765,078.48x = 290,121,898,451.36
  5. Step 5: Solve for x
    x = 290,121,898,451.36/765,078.48
  6. Step 6: Final answer
    x = 379,205.41

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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.