Home / 718,589.46-1,074,648.78-639,094.74

Finding the Fourth Proportional to 718,589.46, 1,074,648.78 and 639,094.74

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Solution

The fourth proportional to 718,589.46, 1,074,648.78 and 639,094.74 is: 955,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,589.46 : 1,074,648.78 = 639,094.74 : x
  2. Step 2: Convert to fraction form
    718,589.46/1,074,648.78 = 639,094.74/x
  3. Step 3: Cross multiply
    718,589.46x = 1,074,648.78 × 639,094.74
  4. Step 4: Simplify right side
    718,589.46x = 686,802,382,645.42
  5. Step 5: Solve for x
    x = 686,802,382,645.42/718,589.46
  6. Step 6: Final answer
    x = 955,764.63

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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.