Home / 865,844.82-1,298,937.33-266,704.02

Finding the Fourth Proportional to 865,844.82, 1,298,937.33 and 266,704.02

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Solution

The fourth proportional to 865,844.82, 1,298,937.33 and 266,704.02 is: 400,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,844.82 : 1,298,937.33 = 266,704.02 : x
  2. Step 2: Convert to fraction form
    865,844.82/1,298,937.33 = 266,704.02/x
  3. Step 3: Cross multiply
    865,844.82x = 1,298,937.33 × 266,704.02
  4. Step 4: Simplify right side
    865,844.82x = 346,431,807,639.07
  5. Step 5: Solve for x
    x = 346,431,807,639.07/865,844.82
  6. Step 6: Final answer
    x = 400,108.43

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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.