Home / 691,694.93-1,037,649.68-292,337.39

Finding the Fourth Proportional to 691,694.93, 1,037,649.68 and 292,337.39

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Solution

The fourth proportional to 691,694.93, 1,037,649.68 and 292,337.39 is: 438,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,694.93 : 1,037,649.68 = 292,337.39 : x
  2. Step 2: Convert to fraction form
    691,694.93/1,037,649.68 = 292,337.39/x
  3. Step 3: Cross multiply
    691,694.93x = 1,037,649.68 × 292,337.39
  4. Step 4: Simplify right side
    691,694.93x = 303,343,797,723.85
  5. Step 5: Solve for x
    x = 303,343,797,723.85/691,694.93
  6. Step 6: Final answer
    x = 438,551.43

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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.