Home / 691,727.10-1,037,738.38-242,475.39

Finding the Fourth Proportional to 691,727.10, 1,037,738.38 and 242,475.39

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Solution

The fourth proportional to 691,727.10, 1,037,738.38 and 242,475.39 is: 363,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,727.10 : 1,037,738.38 = 242,475.39 : x
  2. Step 2: Convert to fraction form
    691,727.10/1,037,738.38 = 242,475.39/x
  3. Step 3: Cross multiply
    691,727.10x = 1,037,738.38 × 242,475.39
  4. Step 4: Simplify right side
    691,727.10x = 251,626,018,408.47
  5. Step 5: Solve for x
    x = 251,626,018,408.47/691,727.10
  6. Step 6: Final answer
    x = 363,764.87

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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.