Home / 486,836.16-671,833.86-271,976.28

Finding the Fourth Proportional to 486,836.16, 671,833.86 and 271,976.28

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Solution

The fourth proportional to 486,836.16, 671,833.86 and 271,976.28 is: 375,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,836.16 : 671,833.86 = 271,976.28 : x
  2. Step 2: Convert to fraction form
    486,836.16/671,833.86 = 271,976.28/x
  3. Step 3: Cross multiply
    486,836.16x = 671,833.86 × 271,976.28
  4. Step 4: Simplify right side
    486,836.16x = 182,722,874,020.84
  5. Step 5: Solve for x
    x = 182,722,874,020.84/486,836.16
  6. Step 6: Final answer
    x = 375,327.24

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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.