Home / 725,250.30-1,086,380.60-424,820.07

Finding the Fourth Proportional to 725,250.30, 1,086,380.60 and 424,820.07

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Solution

The fourth proportional to 725,250.30, 1,086,380.60 and 424,820.07 is: 636,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,250.30 : 1,086,380.60 = 424,820.07 : x
  2. Step 2: Convert to fraction form
    725,250.30/1,086,380.60 = 424,820.07/x
  3. Step 3: Cross multiply
    725,250.30x = 1,086,380.60 × 424,820.07
  4. Step 4: Simplify right side
    725,250.30x = 461,516,282,538.64
  5. Step 5: Solve for x
    x = 461,516,282,538.64/725,250.30
  6. Step 6: Final answer
    x = 636,354.49

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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.