Home / 886,489.92-1,329,017.76-278,968.32

Finding the Fourth Proportional to 886,489.92, 1,329,017.76 and 278,968.32

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Solution

The fourth proportional to 886,489.92, 1,329,017.76 and 278,968.32 is: 418,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,489.92 : 1,329,017.76 = 278,968.32 : x
  2. Step 2: Convert to fraction form
    886,489.92/1,329,017.76 = 278,968.32/x
  3. Step 3: Cross multiply
    886,489.92x = 1,329,017.76 × 278,968.32
  4. Step 4: Simplify right side
    886,489.92x = 370,753,851,757.36
  5. Step 5: Solve for x
    x = 370,753,851,757.36/886,489.92
  6. Step 6: Final answer
    x = 418,226.81

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1.5x scale

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.