Home / 886,057.20-1,329,077.88-278,891.31

Finding the Fourth Proportional to 886,057.20, 1,329,077.88 and 278,891.31

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Solution

The fourth proportional to 886,057.20, 1,329,077.88 and 278,891.31 is: 418,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,057.20 : 1,329,077.88 = 278,891.31 : x
  2. Step 2: Convert to fraction form
    886,057.20/1,329,077.88 = 278,891.31/x
  3. Step 3: Cross multiply
    886,057.20x = 1,329,077.88 × 278,891.31
  4. Step 4: Simplify right side
    886,057.20x = 370,668,271,045.22
  5. Step 5: Solve for x
    x = 370,668,271,045.22/886,057.20
  6. Step 6: Final answer
    x = 418,334.47

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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.