Home / 886,391.56-1,330,002.56-436,867.38

Finding the Fourth Proportional to 886,391.56, 1,330,002.56 and 436,867.38

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Solution

The fourth proportional to 886,391.56, 1,330,002.56 and 436,867.38 is: 655,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,391.56 : 1,330,002.56 = 436,867.38 : x
  2. Step 2: Convert to fraction form
    886,391.56/1,330,002.56 = 436,867.38/x
  3. Step 3: Cross multiply
    886,391.56x = 1,330,002.56 × 436,867.38
  4. Step 4: Simplify right side
    886,391.56x = 581,034,734,872.66
  5. Step 5: Solve for x
    x = 581,034,734,872.66/886,391.56
  6. Step 6: Final answer
    x = 655,505.72

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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.