Home / 902,235.32-1,245,115.73-494,335.92

Finding the Fourth Proportional to 902,235.32, 1,245,115.73 and 494,335.92

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Solution

The fourth proportional to 902,235.32, 1,245,115.73 and 494,335.92 is: 682,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,235.32 : 1,245,115.73 = 494,335.92 : x
  2. Step 2: Convert to fraction form
    902,235.32/1,245,115.73 = 494,335.92/x
  3. Step 3: Cross multiply
    902,235.32x = 1,245,115.73 × 494,335.92
  4. Step 4: Simplify right side
    902,235.32x = 615,505,435,801.05
  5. Step 5: Solve for x
    x = 615,505,435,801.05/902,235.32
  6. Step 6: Final answer
    x = 682,200.56

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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.