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Finding the Fourth Proportional to 605,634.80, 908,452.20 and 560,015.60

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Solution

The fourth proportional to 605,634.80, 908,452.20 and 560,015.60 is: 840,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,634.80 : 908,452.20 = 560,015.60 : x
  2. Step 2: Convert to fraction form
    605,634.80/908,452.20 = 560,015.60/x
  3. Step 3: Cross multiply
    605,634.80x = 908,452.20 × 560,015.60
  4. Step 4: Simplify right side
    605,634.80x = 508,747,403,854.32
  5. Step 5: Solve for x
    x = 508,747,403,854.32/605,634.80
  6. Step 6: Final answer
    x = 840,023.40

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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.