Home / 501,022.65-691,398.14-271,569.90

Finding the Fourth Proportional to 501,022.65, 691,398.14 and 271,569.90

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Solution

The fourth proportional to 501,022.65, 691,398.14 and 271,569.90 is: 374,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,022.65 : 691,398.14 = 271,569.90 : x
  2. Step 2: Convert to fraction form
    501,022.65/691,398.14 = 271,569.90/x
  3. Step 3: Cross multiply
    501,022.65x = 691,398.14 × 271,569.90
  4. Step 4: Simplify right side
    501,022.65x = 187,762,922,382.14
  5. Step 5: Solve for x
    x = 187,762,922,382.14/501,022.65
  6. Step 6: Final answer
    x = 374,759.35

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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.