Home / 691,641.82-1,037,553.45-270,863.02

Finding the Fourth Proportional to 691,641.82, 1,037,553.45 and 270,863.02

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Solution

The fourth proportional to 691,641.82, 1,037,553.45 and 270,863.02 is: 406,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,641.82 : 1,037,553.45 = 270,863.02 : x
  2. Step 2: Convert to fraction form
    691,641.82/1,037,553.45 = 270,863.02/x
  3. Step 3: Cross multiply
    691,641.82x = 1,037,553.45 × 270,863.02
  4. Step 4: Simplify right side
    691,641.82x = 281,034,860,878.42
  5. Step 5: Solve for x
    x = 281,034,860,878.42/691,641.82
  6. Step 6: Final answer
    x = 406,330.06

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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.