Home / 325,822.80-488,734.20-286,456.80

Finding the Fourth Proportional to 325,822.80, 488,734.20 and 286,456.80

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Solution

The fourth proportional to 325,822.80, 488,734.20 and 286,456.80 is: 429,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,822.80 : 488,734.20 = 286,456.80 : x
  2. Step 2: Convert to fraction form
    325,822.80/488,734.20 = 286,456.80/x
  3. Step 3: Cross multiply
    325,822.80x = 488,734.20 × 286,456.80
  4. Step 4: Simplify right side
    325,822.80x = 140,001,234,982.56
  5. Step 5: Solve for x
    x = 140,001,234,982.56/325,822.80
  6. Step 6: Final answer
    x = 429,685.20

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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.