Home / 715,091.36-986,585.16-404,951.48

Finding the Fourth Proportional to 715,091.36, 986,585.16 and 404,951.48

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Solution

The fourth proportional to 715,091.36, 986,585.16 and 404,951.48 is: 558,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,091.36 : 986,585.16 = 404,951.48 : x
  2. Step 2: Convert to fraction form
    715,091.36/986,585.16 = 404,951.48/x
  3. Step 3: Cross multiply
    715,091.36x = 986,585.16 × 404,951.48
  4. Step 4: Simplify right side
    715,091.36x = 399,519,115,755.11
  5. Step 5: Solve for x
    x = 399,519,115,755.11/715,091.36
  6. Step 6: Final answer
    x = 558,696.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.