Home / 803,418.28-1,205,109.04-204,380.15

Finding the Fourth Proportional to 803,418.28, 1,205,109.04 and 204,380.15

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Solution

The fourth proportional to 803,418.28, 1,205,109.04 and 204,380.15 is: 306,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,418.28 : 1,205,109.04 = 204,380.15 : x
  2. Step 2: Convert to fraction form
    803,418.28/1,205,109.04 = 204,380.15/x
  3. Step 3: Cross multiply
    803,418.28x = 1,205,109.04 × 204,380.15
  4. Step 4: Simplify right side
    803,418.28x = 246,300,360,336.01
  5. Step 5: Solve for x
    x = 246,300,360,336.01/803,418.28
  6. Step 6: Final answer
    x = 306,565.54

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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.