Home / 725,250.81-1,086,381.34-424,820.58

Finding the Fourth Proportional to 725,250.81, 1,086,381.34 and 424,820.58

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Solution

The fourth proportional to 725,250.81, 1,086,381.34 and 424,820.58 is: 636,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,250.81 : 1,086,381.34 = 424,820.58 : x
  2. Step 2: Convert to fraction form
    725,250.81/1,086,381.34 = 424,820.58/x
  3. Step 3: Cross multiply
    725,250.81x = 1,086,381.34 × 424,820.58
  4. Step 4: Simplify right side
    725,250.81x = 461,517,150,959.98
  5. Step 5: Solve for x
    x = 461,517,150,959.98/725,250.81
  6. Step 6: Final answer
    x = 636,355.24

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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.