Home / 765,986.24-1,057,102.88-426,447.04

Finding the Fourth Proportional to 765,986.24, 1,057,102.88 and 426,447.04

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Solution

The fourth proportional to 765,986.24, 1,057,102.88 and 426,447.04 is: 588,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,986.24 : 1,057,102.88 = 426,447.04 : x
  2. Step 2: Convert to fraction form
    765,986.24/1,057,102.88 = 426,447.04/x
  3. Step 3: Cross multiply
    765,986.24x = 1,057,102.88 × 426,447.04
  4. Step 4: Simplify right side
    765,986.24x = 450,798,394,151.48
  5. Step 5: Solve for x
    x = 450,798,394,151.48/765,986.24
  6. Step 6: Final answer
    x = 588,520.22

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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.