Home / 725,450.96-1,001,042.74-419,480.95

Finding the Fourth Proportional to 725,450.96, 1,001,042.74 and 419,480.95

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Solution

The fourth proportional to 725,450.96, 1,001,042.74 and 419,480.95 is: 578,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,450.96 : 1,001,042.74 = 419,480.95 : x
  2. Step 2: Convert to fraction form
    725,450.96/1,001,042.74 = 419,480.95/x
  3. Step 3: Cross multiply
    725,450.96x = 1,001,042.74 × 419,480.95
  4. Step 4: Simplify right side
    725,450.96x = 419,918,359,565.80
  5. Step 5: Solve for x
    x = 419,918,359,565.80/725,450.96
  6. Step 6: Final answer
    x = 578,837.69

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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.