Home / 715,767.73-1,073,474.51-427,658.02

Finding the Fourth Proportional to 715,767.73, 1,073,474.51 and 427,658.02

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Solution

The fourth proportional to 715,767.73, 1,073,474.51 and 427,658.02 is: 641,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,767.73 : 1,073,474.51 = 427,658.02 : x
  2. Step 2: Convert to fraction form
    715,767.73/1,073,474.51 = 427,658.02/x
  3. Step 3: Cross multiply
    715,767.73x = 1,073,474.51 × 427,658.02
  4. Step 4: Simplify right side
    715,767.73x = 459,079,978,645.09
  5. Step 5: Solve for x
    x = 459,079,978,645.09/715,767.73
  6. Step 6: Final answer
    x = 641,381.22

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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.