Home / 725,057.28-1,087,696.47-369,877.53

Finding the Fourth Proportional to 725,057.28, 1,087,696.47 and 369,877.53

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Solution

The fourth proportional to 725,057.28, 1,087,696.47 and 369,877.53 is: 554,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,057.28 : 1,087,696.47 = 369,877.53 : x
  2. Step 2: Convert to fraction form
    725,057.28/1,087,696.47 = 369,877.53/x
  3. Step 3: Cross multiply
    725,057.28x = 1,087,696.47 × 369,877.53
  4. Step 4: Simplify right side
    725,057.28x = 402,314,483,713.32
  5. Step 5: Solve for x
    x = 402,314,483,713.32/725,057.28
  6. Step 6: Final answer
    x = 554,872.69

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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.