Home / 718,588.96-1,074,648.03-639,094.24

Finding the Fourth Proportional to 718,588.96, 1,074,648.03 and 639,094.24

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Solution

The fourth proportional to 718,588.96, 1,074,648.03 and 639,094.24 is: 955,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,588.96 : 1,074,648.03 = 639,094.24 : x
  2. Step 2: Convert to fraction form
    718,588.96/1,074,648.03 = 639,094.24/x
  3. Step 3: Cross multiply
    718,588.96x = 1,074,648.03 × 639,094.24
  4. Step 4: Simplify right side
    718,588.96x = 686,801,367,053.64
  5. Step 5: Solve for x
    x = 686,801,367,053.64/718,588.96
  6. Step 6: Final answer
    x = 955,763.88

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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.