Home / 671,531.80-1,006,422.90-271,845.40

Finding the Fourth Proportional to 671,531.80, 1,006,422.90 and 271,845.40

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Solution

The fourth proportional to 671,531.80, 1,006,422.90 and 271,845.40 is: 407,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,531.80 : 1,006,422.90 = 271,845.40 : x
  2. Step 2: Convert to fraction form
    671,531.80/1,006,422.90 = 271,845.40/x
  3. Step 3: Cross multiply
    671,531.80x = 1,006,422.90 × 271,845.40
  4. Step 4: Simplify right side
    671,531.80x = 273,591,435,819.66
  5. Step 5: Solve for x
    x = 273,591,435,819.66/671,531.80
  6. Step 6: Final answer
    x = 407,413.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.