Home / 725,022-1,087,764.12-304,184.88

Finding the Fourth Proportional to 725,022, 1,087,764.12 and 304,184.88

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Solution

The fourth proportional to 725,022, 1,087,764.12 and 304,184.88 is: 456,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,022 : 1,087,764.12 = 304,184.88 : x
  2. Step 2: Convert to fraction form
    725,022/1,087,764.12 = 304,184.88/x
  3. Step 3: Cross multiply
    725,022x = 1,087,764.12 × 304,184.88
  4. Step 4: Simplify right side
    725,022x = 330,881,398,310.51
  5. Step 5: Solve for x
    x = 330,881,398,310.51/725,022
  6. Step 6: Final answer
    x = 456,374.29

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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.