Home / 783,669.19-1,175,505.09-215,058.10

Finding the Fourth Proportional to 783,669.19, 1,175,505.09 and 215,058.10

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Solution

The fourth proportional to 783,669.19, 1,175,505.09 and 215,058.10 is: 322,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,669.19 : 1,175,505.09 = 215,058.10 : x
  2. Step 2: Convert to fraction form
    783,669.19/1,175,505.09 = 215,058.10/x
  3. Step 3: Cross multiply
    783,669.19x = 1,175,505.09 × 215,058.10
  4. Step 4: Simplify right side
    783,669.19x = 252,801,891,195.73
  5. Step 5: Solve for x
    x = 252,801,891,195.73/783,669.19
  6. Step 6: Final answer
    x = 322,587.51

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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.