Home / 725,324.28-1,088,170.95-426,057.93

Finding the Fourth Proportional to 725,324.28, 1,088,170.95 and 426,057.93

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Solution

The fourth proportional to 725,324.28, 1,088,170.95 and 426,057.93 is: 639,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,324.28 : 1,088,170.95 = 426,057.93 : x
  2. Step 2: Convert to fraction form
    725,324.28/1,088,170.95 = 426,057.93/x
  3. Step 3: Cross multiply
    725,324.28x = 1,088,170.95 × 426,057.93
  4. Step 4: Simplify right side
    725,324.28x = 463,623,862,443.13
  5. Step 5: Solve for x
    x = 463,623,862,443.13/725,324.28
  6. Step 6: Final answer
    x = 639,195.29

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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.