Home / 897,947.20-1,239,379.24-516,195.44

Finding the Fourth Proportional to 897,947.20, 1,239,379.24 and 516,195.44

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Solution

The fourth proportional to 897,947.20, 1,239,379.24 and 516,195.44 is: 712,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,947.20 : 1,239,379.24 = 516,195.44 : x
  2. Step 2: Convert to fraction form
    897,947.20/1,239,379.24 = 516,195.44/x
  3. Step 3: Cross multiply
    897,947.20x = 1,239,379.24 × 516,195.44
  4. Step 4: Simplify right side
    897,947.20x = 639,761,912,118.67
  5. Step 5: Solve for x
    x = 639,761,912,118.67/897,947.20
  6. Step 6: Final answer
    x = 712,471.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.