Home / 501,410.95-691,942.02-271,963.31

Finding the Fourth Proportional to 501,410.95, 691,942.02 and 271,963.31

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Solution

The fourth proportional to 501,410.95, 691,942.02 and 271,963.31 is: 375,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,410.95 : 691,942.02 = 271,963.31 : x
  2. Step 2: Convert to fraction form
    501,410.95/691,942.02 = 271,963.31/x
  3. Step 3: Cross multiply
    501,410.95x = 691,942.02 × 271,963.31
  4. Step 4: Simplify right side
    501,410.95x = 188,182,842,242.22
  5. Step 5: Solve for x
    x = 188,182,842,242.22/501,410.95
  6. Step 6: Final answer
    x = 375,306.61

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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.