Home / 725,535.85-1,088,314.48-276,281.85

Finding the Fourth Proportional to 725,535.85, 1,088,314.48 and 276,281.85

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Solution

The fourth proportional to 725,535.85, 1,088,314.48 and 276,281.85 is: 414,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,535.85 : 1,088,314.48 = 276,281.85 : x
  2. Step 2: Convert to fraction form
    725,535.85/1,088,314.48 = 276,281.85/x
  3. Step 3: Cross multiply
    725,535.85x = 1,088,314.48 × 276,281.85
  4. Step 4: Simplify right side
    725,535.85x = 300,681,541,306.66
  5. Step 5: Solve for x
    x = 300,681,541,306.66/725,535.85
  6. Step 6: Final answer
    x = 414,426.86

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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.