Home / 819,565.42-1,229,253.56-220,479.50

Finding the Fourth Proportional to 819,565.42, 1,229,253.56 and 220,479.50

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Solution

The fourth proportional to 819,565.42, 1,229,253.56 and 220,479.50 is: 330,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,565.42 : 1,229,253.56 = 220,479.50 : x
  2. Step 2: Convert to fraction form
    819,565.42/1,229,253.56 = 220,479.50/x
  3. Step 3: Cross multiply
    819,565.42x = 1,229,253.56 × 220,479.50
  4. Step 4: Simplify right side
    819,565.42x = 271,025,210,282.02
  5. Step 5: Solve for x
    x = 271,025,210,282.02/819,565.42
  6. Step 6: Final answer
    x = 330,693.81

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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.