Home / 725,098.59-1,087,648.29-275,715.72

Finding the Fourth Proportional to 725,098.59, 1,087,648.29 and 275,715.72

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Solution

The fourth proportional to 725,098.59, 1,087,648.29 and 275,715.72 is: 413,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,098.59 : 1,087,648.29 = 275,715.72 : x
  2. Step 2: Convert to fraction form
    725,098.59/1,087,648.29 = 275,715.72/x
  3. Step 3: Cross multiply
    725,098.59x = 1,087,648.29 × 275,715.72
  4. Step 4: Simplify right side
    725,098.59x = 299,881,731,384.12
  5. Step 5: Solve for x
    x = 299,881,731,384.12/725,098.59
  6. Step 6: Final answer
    x = 413,573.73

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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.