Home / 725,278.86-1,087,885.08-252,001.26

Finding the Fourth Proportional to 725,278.86, 1,087,885.08 and 252,001.26

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Solution

The fourth proportional to 725,278.86, 1,087,885.08 and 252,001.26 is: 377,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,278.86 : 1,087,885.08 = 252,001.26 : x
  2. Step 2: Convert to fraction form
    725,278.86/1,087,885.08 = 252,001.26/x
  3. Step 3: Cross multiply
    725,278.86x = 1,087,885.08 × 252,001.26
  4. Step 4: Simplify right side
    725,278.86x = 274,148,410,895.20
  5. Step 5: Solve for x
    x = 274,148,410,895.20/725,278.86
  6. Step 6: Final answer
    x = 377,990.35

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Double scale
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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.