Home / 725,165.80-1,087,316.70-444,884.20

Finding the Fourth Proportional to 725,165.80, 1,087,316.70 and 444,884.20

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Solution

The fourth proportional to 725,165.80, 1,087,316.70 and 444,884.20 is: 667,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,165.80 : 1,087,316.70 = 444,884.20 : x
  2. Step 2: Convert to fraction form
    725,165.80/1,087,316.70 = 444,884.20/x
  3. Step 3: Cross multiply
    725,165.80x = 1,087,316.70 × 444,884.20
  4. Step 4: Simplify right side
    725,165.80x = 483,730,020,226.14
  5. Step 5: Solve for x
    x = 483,730,020,226.14/725,165.80
  6. Step 6: Final answer
    x = 667,061.27

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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.