Home / 755,371.52-1,133,757.12-381,656.96

Finding the Fourth Proportional to 755,371.52, 1,133,757.12 and 381,656.96

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Solution

The fourth proportional to 755,371.52, 1,133,757.12 and 381,656.96 is: 572,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,371.52 : 1,133,757.12 = 381,656.96 : x
  2. Step 2: Convert to fraction form
    755,371.52/1,133,757.12 = 381,656.96/x
  3. Step 3: Cross multiply
    755,371.52x = 1,133,757.12 × 381,656.96
  4. Step 4: Simplify right side
    755,371.52x = 432,706,295,797.56
  5. Step 5: Solve for x
    x = 432,706,295,797.56/755,371.52
  6. Step 6: Final answer
    x = 572,839.04

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1.5x scale

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.