Home / 908,589.26-1,253,861.46-500,705.72

Finding the Fourth Proportional to 908,589.26, 1,253,861.46 and 500,705.72

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Solution

The fourth proportional to 908,589.26, 1,253,861.46 and 500,705.72 is: 690,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,589.26 : 1,253,861.46 = 500,705.72 : x
  2. Step 2: Convert to fraction form
    908,589.26/1,253,861.46 = 500,705.72/x
  3. Step 3: Cross multiply
    908,589.26x = 1,253,861.46 × 500,705.72
  4. Step 4: Simplify right side
    908,589.26x = 627,815,605,109.55
  5. Step 5: Solve for x
    x = 627,815,605,109.55/908,589.26
  6. Step 6: Final answer
    x = 690,978.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.