Home / 497,479.24-686,537.94-271,132.84

Finding the Fourth Proportional to 497,479.24, 686,537.94 and 271,132.84

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Solution

The fourth proportional to 497,479.24, 686,537.94 and 271,132.84 is: 374,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,479.24 : 686,537.94 = 271,132.84 : x
  2. Step 2: Convert to fraction form
    497,479.24/686,537.94 = 271,132.84/x
  3. Step 3: Cross multiply
    497,479.24x = 686,537.94 × 271,132.84
  4. Step 4: Simplify right side
    497,479.24x = 186,142,981,439.95
  5. Step 5: Solve for x
    x = 186,142,981,439.95/497,479.24
  6. Step 6: Final answer
    x = 374,172.36

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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.