Home / 557,371.06-769,040.28-327,938.36

Finding the Fourth Proportional to 557,371.06, 769,040.28 and 327,938.36

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Solution

The fourth proportional to 557,371.06, 769,040.28 and 327,938.36 is: 452,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,371.06 : 769,040.28 = 327,938.36 : x
  2. Step 2: Convert to fraction form
    557,371.06/769,040.28 = 327,938.36/x
  3. Step 3: Cross multiply
    557,371.06x = 769,040.28 × 327,938.36
  4. Step 4: Simplify right side
    557,371.06x = 252,197,804,351.94
  5. Step 5: Solve for x
    x = 252,197,804,351.94/557,371.06
  6. Step 6: Final answer
    x = 452,477.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.