Home / 880,891.80-1,215,824.22-579,113.88

Finding the Fourth Proportional to 880,891.80, 1,215,824.22 and 579,113.88

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Solution

The fourth proportional to 880,891.80, 1,215,824.22 and 579,113.88 is: 799,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,891.80 : 1,215,824.22 = 579,113.88 : x
  2. Step 2: Convert to fraction form
    880,891.80/1,215,824.22 = 579,113.88/x
  3. Step 3: Cross multiply
    880,891.80x = 1,215,824.22 × 579,113.88
  4. Step 4: Simplify right side
    880,891.80x = 704,100,681,442.17
  5. Step 5: Solve for x
    x = 704,100,681,442.17/880,891.80
  6. Step 6: Final answer
    x = 799,304.39

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1.5x scale

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.