Home / 675,428.97-1,013,143.25-254,606.43

Finding the Fourth Proportional to 675,428.97, 1,013,143.25 and 254,606.43

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Solution

The fourth proportional to 675,428.97, 1,013,143.25 and 254,606.43 is: 381,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,428.97 : 1,013,143.25 = 254,606.43 : x
  2. Step 2: Convert to fraction form
    675,428.97/1,013,143.25 = 254,606.43/x
  3. Step 3: Cross multiply
    675,428.97x = 1,013,143.25 × 254,606.43
  4. Step 4: Simplify right side
    675,428.97x = 257,952,786,597.61
  5. Step 5: Solve for x
    x = 257,952,786,597.61/675,428.97
  6. Step 6: Final answer
    x = 381,909.57

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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.