Home / 928,338.74-1,392,175.74-502,189.64

Finding the Fourth Proportional to 928,338.74, 1,392,175.74 and 502,189.64

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Solution

The fourth proportional to 928,338.74, 1,392,175.74 and 502,189.64 is: 753,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,338.74 : 1,392,175.74 = 502,189.64 : x
  2. Step 2: Convert to fraction form
    928,338.74/1,392,175.74 = 502,189.64/x
  3. Step 3: Cross multiply
    928,338.74x = 1,392,175.74 × 502,189.64
  4. Step 4: Simplify right side
    928,338.74x = 699,136,233,687.33
  5. Step 5: Solve for x
    x = 699,136,233,687.33/928,338.74
  6. Step 6: Final answer
    x = 753,104.66

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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.