Home / 486,219.80-671,017-271,401.72

Finding the Fourth Proportional to 486,219.80, 671,017 and 271,401.72

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Solution

The fourth proportional to 486,219.80, 671,017 and 271,401.72 is: 374,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,219.80 : 671,017 = 271,401.72 : x
  2. Step 2: Convert to fraction form
    486,219.80/671,017 = 271,401.72/x
  3. Step 3: Cross multiply
    486,219.80x = 671,017 × 271,401.72
  4. Step 4: Simplify right side
    486,219.80x = 182,115,167,949.24
  5. Step 5: Solve for x
    x = 182,115,167,949.24/486,219.80
  6. Step 6: Final answer
    x = 374,553.17

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1.5x scale

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.