Home / 486,476.46-671,331.24-271,620.18

Finding the Fourth Proportional to 486,476.46, 671,331.24 and 271,620.18

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Solution

The fourth proportional to 486,476.46, 671,331.24 and 271,620.18 is: 374,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,476.46 : 671,331.24 = 271,620.18 : x
  2. Step 2: Convert to fraction form
    486,476.46/671,331.24 = 271,620.18/x
  3. Step 3: Cross multiply
    486,476.46x = 671,331.24 × 271,620.18
  4. Step 4: Simplify right side
    486,476.46x = 182,347,112,248.42
  5. Step 5: Solve for x
    x = 182,347,112,248.42/486,476.46
  6. Step 6: Final answer
    x = 374,832.34

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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.