Home / 865,177.29-1,297,761.83-480,745.01

Finding the Fourth Proportional to 865,177.29, 1,297,761.83 and 480,745.01

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Solution

The fourth proportional to 865,177.29, 1,297,761.83 and 480,745.01 is: 721,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,177.29 : 1,297,761.83 = 480,745.01 : x
  2. Step 2: Convert to fraction form
    865,177.29/1,297,761.83 = 480,745.01/x
  3. Step 3: Cross multiply
    865,177.29x = 1,297,761.83 × 480,745.01
  4. Step 4: Simplify right side
    865,177.29x = 623,892,523,940.97
  5. Step 5: Solve for x
    x = 623,892,523,940.97/865,177.29
  6. Step 6: Final answer
    x = 721,115.23

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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.