Home / 674,728.49-1,012,076.60-219,319.17

Finding the Fourth Proportional to 674,728.49, 1,012,076.60 and 219,319.17

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Solution

The fourth proportional to 674,728.49, 1,012,076.60 and 219,319.17 is: 328,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,728.49 : 1,012,076.60 = 219,319.17 : x
  2. Step 2: Convert to fraction form
    674,728.49/1,012,076.60 = 219,319.17/x
  3. Step 3: Cross multiply
    674,728.49x = 1,012,076.60 × 219,319.17
  4. Step 4: Simplify right side
    674,728.49x = 221,967,798,791.83
  5. Step 5: Solve for x
    x = 221,967,798,791.83/674,728.49
  6. Step 6: Final answer
    x = 328,973.51

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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.