Home / 908,173.67-1,253,378.10-500,317.31

Finding the Fourth Proportional to 908,173.67, 1,253,378.10 and 500,317.31

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Solution

The fourth proportional to 908,173.67, 1,253,378.10 and 500,317.31 is: 690,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,173.67 : 1,253,378.10 = 500,317.31 : x
  2. Step 2: Convert to fraction form
    908,173.67/1,253,378.10 = 500,317.31/x
  3. Step 3: Cross multiply
    908,173.67x = 1,253,378.10 × 500,317.31
  4. Step 4: Simplify right side
    908,173.67x = 627,086,753,138.02
  5. Step 5: Solve for x
    x = 627,086,753,138.02/908,173.67
  6. Step 6: Final answer
    x = 690,492.11

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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.