Home / 839,255.64-1,259,980.92-498,321.60

Finding the Fourth Proportional to 839,255.64, 1,259,980.92 and 498,321.60

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Solution

The fourth proportional to 839,255.64, 1,259,980.92 and 498,321.60 is: 748,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,255.64 : 1,259,980.92 = 498,321.60 : x
  2. Step 2: Convert to fraction form
    839,255.64/1,259,980.92 = 498,321.60/x
  3. Step 3: Cross multiply
    839,255.64x = 1,259,980.92 × 498,321.60
  4. Step 4: Simplify right side
    839,255.64x = 627,875,708,023.87
  5. Step 5: Solve for x
    x = 627,875,708,023.87/839,255.64
  6. Step 6: Final answer
    x = 748,134.03

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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.