Home / 788,584.20-1,181,126.70-315,025.80

Finding the Fourth Proportional to 788,584.20, 1,181,126.70 and 315,025.80

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Solution

The fourth proportional to 788,584.20, 1,181,126.70 and 315,025.80 is: 471,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,584.20 : 1,181,126.70 = 315,025.80 : x
  2. Step 2: Convert to fraction form
    788,584.20/1,181,126.70 = 315,025.80/x
  3. Step 3: Cross multiply
    788,584.20x = 1,181,126.70 × 315,025.80
  4. Step 4: Simplify right side
    788,584.20x = 372,085,383,568.86
  5. Step 5: Solve for x
    x = 372,085,383,568.86/788,584.20
  6. Step 6: Final answer
    x = 471,839.76

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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.