Home / 881,741.97-1,215,661.82-571,091.85

Finding the Fourth Proportional to 881,741.97, 1,215,661.82 and 571,091.85

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Solution

The fourth proportional to 881,741.97, 1,215,661.82 and 571,091.85 is: 787,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,741.97 : 1,215,661.82 = 571,091.85 : x
  2. Step 2: Convert to fraction form
    881,741.97/1,215,661.82 = 571,091.85/x
  3. Step 3: Cross multiply
    881,741.97x = 1,215,661.82 × 571,091.85
  4. Step 4: Simplify right side
    881,741.97x = 694,254,554,902.71
  5. Step 5: Solve for x
    x = 694,254,554,902.71/881,741.97
  6. Step 6: Final answer
    x = 787,367.03

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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.