Home / 497,401.68-686,412.16-271,047.20

Finding the Fourth Proportional to 497,401.68, 686,412.16 and 271,047.20

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Solution

The fourth proportional to 497,401.68, 686,412.16 and 271,047.20 is: 374,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,401.68 : 686,412.16 = 271,047.20 : x
  2. Step 2: Convert to fraction form
    497,401.68/686,412.16 = 271,047.20/x
  3. Step 3: Cross multiply
    497,401.68x = 686,412.16 × 271,047.20
  4. Step 4: Simplify right side
    497,401.68x = 186,050,094,013.95
  5. Step 5: Solve for x
    x = 186,050,094,013.95/497,401.68
  6. Step 6: Final answer
    x = 374,043.96

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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.