Home / 725,004.92-1,000,374.89-418,969.14

Finding the Fourth Proportional to 725,004.92, 1,000,374.89 and 418,969.14

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Solution

The fourth proportional to 725,004.92, 1,000,374.89 and 418,969.14 is: 578,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,004.92 : 1,000,374.89 = 418,969.14 : x
  2. Step 2: Convert to fraction form
    725,004.92/1,000,374.89 = 418,969.14/x
  3. Step 3: Cross multiply
    725,004.92x = 1,000,374.89 × 418,969.14
  4. Step 4: Simplify right side
    725,004.92x = 419,126,205,246.05
  5. Step 5: Solve for x
    x = 419,126,205,246.05/725,004.92
  6. Step 6: Final answer
    x = 578,101.19

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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.