Home / 677,909.42-1,016,149.20-222,381.70

Finding the Fourth Proportional to 677,909.42, 1,016,149.20 and 222,381.70

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Solution

The fourth proportional to 677,909.42, 1,016,149.20 and 222,381.70 is: 333,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,909.42 : 1,016,149.20 = 222,381.70 : x
  2. Step 2: Convert to fraction form
    677,909.42/1,016,149.20 = 222,381.70/x
  3. Step 3: Cross multiply
    677,909.42x = 1,016,149.20 × 222,381.70
  4. Step 4: Simplify right side
    677,909.42x = 225,972,990,142.07
  5. Step 5: Solve for x
    x = 225,972,990,142.07/677,909.42
  6. Step 6: Final answer
    x = 333,338.03

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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.