Home / 725,255.04-1,086,387.46-424,824.78

Finding the Fourth Proportional to 725,255.04, 1,086,387.46 and 424,824.78

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Solution

The fourth proportional to 725,255.04, 1,086,387.46 and 424,824.78 is: 636,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,255.04 : 1,086,387.46 = 424,824.78 : x
  2. Step 2: Convert to fraction form
    725,255.04/1,086,387.46 = 424,824.78/x
  3. Step 3: Cross multiply
    725,255.04x = 1,086,387.46 × 424,824.78
  4. Step 4: Simplify right side
    725,255.04x = 461,524,312,627.20
  5. Step 5: Solve for x
    x = 461,524,312,627.20/725,255.04
  6. Step 6: Final answer
    x = 636,361.40

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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.