Home / 725,169.52-1,087,641.80-370,445.68

Finding the Fourth Proportional to 725,169.52, 1,087,641.80 and 370,445.68

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Solution

The fourth proportional to 725,169.52, 1,087,641.80 and 370,445.68 is: 555,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,169.52 : 1,087,641.80 = 370,445.68 : x
  2. Step 2: Convert to fraction form
    725,169.52/1,087,641.80 = 370,445.68/x
  3. Step 3: Cross multiply
    725,169.52x = 1,087,641.80 × 370,445.68
  4. Step 4: Simplify right side
    725,169.52x = 402,912,206,197.42
  5. Step 5: Solve for x
    x = 402,912,206,197.42/725,169.52
  6. Step 6: Final answer
    x = 555,611.06

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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.