Home / 725,248.30-1,086,377.60-424,818.07

Finding the Fourth Proportional to 725,248.30, 1,086,377.60 and 424,818.07

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Solution

The fourth proportional to 725,248.30, 1,086,377.60 and 424,818.07 is: 636,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,248.30 : 1,086,377.60 = 424,818.07 : x
  2. Step 2: Convert to fraction form
    725,248.30/1,086,377.60 = 424,818.07/x
  3. Step 3: Cross multiply
    725,248.30x = 1,086,377.60 × 424,818.07
  4. Step 4: Simplify right side
    725,248.30x = 461,512,833,669.33
  5. Step 5: Solve for x
    x = 461,512,833,669.33/725,248.30
  6. Step 6: Final answer
    x = 636,351.49

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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.