Home / 677,425.02-1,015,251.79-277,597.68

Finding the Fourth Proportional to 677,425.02, 1,015,251.79 and 277,597.68

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Solution

The fourth proportional to 677,425.02, 1,015,251.79 and 277,597.68 is: 416,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,425.02 : 1,015,251.79 = 277,597.68 : x
  2. Step 2: Convert to fraction form
    677,425.02/1,015,251.79 = 277,597.68/x
  3. Step 3: Cross multiply
    677,425.02x = 1,015,251.79 × 277,597.68
  4. Step 4: Simplify right side
    677,425.02x = 281,831,540,825.85
  5. Step 5: Solve for x
    x = 281,831,540,825.85/677,425.02
  6. Step 6: Final answer
    x = 416,033.56

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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.