Home / 678,283.02-1,016,650.56-273,215.85

Finding the Fourth Proportional to 678,283.02, 1,016,650.56 and 273,215.85

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Solution

The fourth proportional to 678,283.02, 1,016,650.56 and 273,215.85 is: 409,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,283.02 : 1,016,650.56 = 273,215.85 : x
  2. Step 2: Convert to fraction form
    678,283.02/1,016,650.56 = 273,215.85/x
  3. Step 3: Cross multiply
    678,283.02x = 1,016,650.56 × 273,215.85
  4. Step 4: Simplify right side
    678,283.02x = 277,765,046,903.38
  5. Step 5: Solve for x
    x = 277,765,046,903.38/678,283.02
  6. Step 6: Final answer
    x = 409,512.02

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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.