Home / 747,793.60-1,121,690.40-274,818.40

Finding the Fourth Proportional to 747,793.60, 1,121,690.40 and 274,818.40

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Solution

The fourth proportional to 747,793.60, 1,121,690.40 and 274,818.40 is: 412,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,793.60 : 1,121,690.40 = 274,818.40 : x
  2. Step 2: Convert to fraction form
    747,793.60/1,121,690.40 = 274,818.40/x
  3. Step 3: Cross multiply
    747,793.60x = 1,121,690.40 × 274,818.40
  4. Step 4: Simplify right side
    747,793.60x = 308,261,161,023.36
  5. Step 5: Solve for x
    x = 308,261,161,023.36/747,793.60
  6. Step 6: Final answer
    x = 412,227.60

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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.