Home / 681,617.60-1,022,426.40-255,152.60

Finding the Fourth Proportional to 681,617.60, 1,022,426.40 and 255,152.60

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Solution

The fourth proportional to 681,617.60, 1,022,426.40 and 255,152.60 is: 382,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,617.60 : 1,022,426.40 = 255,152.60 : x
  2. Step 2: Convert to fraction form
    681,617.60/1,022,426.40 = 255,152.60/x
  3. Step 3: Cross multiply
    681,617.60x = 1,022,426.40 × 255,152.60
  4. Step 4: Simplify right side
    681,617.60x = 260,874,754,268.64
  5. Step 5: Solve for x
    x = 260,874,754,268.64/681,617.60
  6. Step 6: Final answer
    x = 382,728.90

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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.