Home / 908,595.26-1,253,869.74-500,711.72

Finding the Fourth Proportional to 908,595.26, 1,253,869.74 and 500,711.72

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Solution

The fourth proportional to 908,595.26, 1,253,869.74 and 500,711.72 is: 690,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,595.26 : 1,253,869.74 = 500,711.72 : x
  2. Step 2: Convert to fraction form
    908,595.26/1,253,869.74 = 500,711.72/x
  3. Step 3: Cross multiply
    908,595.26x = 1,253,869.74 × 500,711.72
  4. Step 4: Simplify right side
    908,595.26x = 627,827,274,171.35
  5. Step 5: Solve for x
    x = 627,827,274,171.35/908,595.26
  6. Step 6: Final answer
    x = 690,986.74

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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.