Home / 725,532.20-1,087,779.90-325,845.80

Finding the Fourth Proportional to 725,532.20, 1,087,779.90 and 325,845.80

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Solution

The fourth proportional to 725,532.20, 1,087,779.90 and 325,845.80 is: 488,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,532.20 : 1,087,779.90 = 325,845.80 : x
  2. Step 2: Convert to fraction form
    725,532.20/1,087,779.90 = 325,845.80/x
  3. Step 3: Cross multiply
    725,532.20x = 1,087,779.90 × 325,845.80
  4. Step 4: Simplify right side
    725,532.20x = 354,448,511,739.42
  5. Step 5: Solve for x
    x = 354,448,511,739.42/725,532.20
  6. Step 6: Final answer
    x = 488,535.88

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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.