Home / 765,968.88-1,057,037.04-426,517.20

Finding the Fourth Proportional to 765,968.88, 1,057,037.04 and 426,517.20

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Solution

The fourth proportional to 765,968.88, 1,057,037.04 and 426,517.20 is: 588,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,968.88 : 1,057,037.04 = 426,517.20 : x
  2. Step 2: Convert to fraction form
    765,968.88/1,057,037.04 = 426,517.20/x
  3. Step 3: Cross multiply
    765,968.88x = 1,057,037.04 × 426,517.20
  4. Step 4: Simplify right side
    765,968.88x = 450,844,478,597.09
  5. Step 5: Solve for x
    x = 450,844,478,597.09/765,968.88
  6. Step 6: Final answer
    x = 588,593.73

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1.5x scale

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.