Home / 677,421.43-1,016,132.18-228,104.71

Finding the Fourth Proportional to 677,421.43, 1,016,132.18 and 228,104.71

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Solution

The fourth proportional to 677,421.43, 1,016,132.18 and 228,104.71 is: 342,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,421.43 : 1,016,132.18 = 228,104.71 : x
  2. Step 2: Convert to fraction form
    677,421.43/1,016,132.18 = 228,104.71/x
  3. Step 3: Cross multiply
    677,421.43x = 1,016,132.18 × 228,104.71
  4. Step 4: Simplify right side
    677,421.43x = 231,784,532,559.71
  5. Step 5: Solve for x
    x = 231,784,532,559.71/677,421.43
  6. Step 6: Final answer
    x = 342,157.07

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Similar ratio
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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.