Home / 497,392.26-686,401.20-271,037.76

Finding the Fourth Proportional to 497,392.26, 686,401.20 and 271,037.76

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Solution

The fourth proportional to 497,392.26, 686,401.20 and 271,037.76 is: 374,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,392.26 : 686,401.20 = 271,037.76 : x
  2. Step 2: Convert to fraction form
    497,392.26/686,401.20 = 271,037.76/x
  3. Step 3: Cross multiply
    497,392.26x = 686,401.20 × 271,037.76
  4. Step 4: Simplify right side
    497,392.26x = 186,040,643,709.31
  5. Step 5: Solve for x
    x = 186,040,643,709.31/497,392.26
  6. Step 6: Final answer
    x = 374,032.04

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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.