Home / 497,401.65-686,414.07-271,047.15

Finding the Fourth Proportional to 497,401.65, 686,414.07 and 271,047.15

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Solution

The fourth proportional to 497,401.65, 686,414.07 and 271,047.15 is: 374,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,401.65 : 686,414.07 = 271,047.15 : x
  2. Step 2: Convert to fraction form
    497,401.65/686,414.07 = 271,047.15/x
  3. Step 3: Cross multiply
    497,401.65x = 686,414.07 × 271,047.15
  4. Step 4: Simplify right side
    497,401.65x = 186,050,577,393.40
  5. Step 5: Solve for x
    x = 186,050,577,393.40/497,401.65
  6. Step 6: Final answer
    x = 374,044.95

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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.