Home / 748,679.38-1,122,896.04-268,807.84

Finding the Fourth Proportional to 748,679.38, 1,122,896.04 and 268,807.84

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Solution

The fourth proportional to 748,679.38, 1,122,896.04 and 268,807.84 is: 403,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,679.38 : 1,122,896.04 = 268,807.84 : x
  2. Step 2: Convert to fraction form
    748,679.38/1,122,896.04 = 268,807.84/x
  3. Step 3: Cross multiply
    748,679.38x = 1,122,896.04 × 268,807.84
  4. Step 4: Simplify right side
    748,679.38x = 301,843,259,056.95
  5. Step 5: Solve for x
    x = 301,843,259,056.95/748,679.38
  6. Step 6: Final answer
    x = 403,167.59

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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.