Home / 557,264.83-769,012.45-327,836.89

Finding the Fourth Proportional to 557,264.83, 769,012.45 and 327,836.89

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Solution

The fourth proportional to 557,264.83, 769,012.45 and 327,836.89 is: 452,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,264.83 : 769,012.45 = 327,836.89 : x
  2. Step 2: Convert to fraction form
    557,264.83/769,012.45 = 327,836.89/x
  3. Step 3: Cross multiply
    557,264.83x = 769,012.45 × 327,836.89
  4. Step 4: Simplify right side
    557,264.83x = 252,110,647,237.16
  5. Step 5: Solve for x
    x = 252,110,647,237.16/557,264.83
  6. Step 6: Final answer
    x = 452,407.25

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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.