Home / 725,456.15-1,000,818.94-453,051.12

Finding the Fourth Proportional to 725,456.15, 1,000,818.94 and 453,051.12

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Solution

The fourth proportional to 725,456.15, 1,000,818.94 and 453,051.12 is: 625,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,456.15 : 1,000,818.94 = 453,051.12 : x
  2. Step 2: Convert to fraction form
    725,456.15/1,000,818.94 = 453,051.12/x
  3. Step 3: Cross multiply
    725,456.15x = 1,000,818.94 × 453,051.12
  4. Step 4: Simplify right side
    725,456.15x = 453,422,145,154.13
  5. Step 5: Solve for x
    x = 453,422,145,154.13/725,456.15
  6. Step 6: Final answer
    x = 625,016.61

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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.