Home / 828,308.20-1,242,462.30-733,829.80

Finding the Fourth Proportional to 828,308.20, 1,242,462.30 and 733,829.80

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Solution

The fourth proportional to 828,308.20, 1,242,462.30 and 733,829.80 is: 1,100,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,308.20 : 1,242,462.30 = 733,829.80 : x
  2. Step 2: Convert to fraction form
    828,308.20/1,242,462.30 = 733,829.80/x
  3. Step 3: Cross multiply
    828,308.20x = 1,242,462.30 × 733,829.80
  4. Step 4: Simplify right side
    828,308.20x = 911,755,861,116.54
  5. Step 5: Solve for x
    x = 911,755,861,116.54/828,308.20
  6. Step 6: Final answer
    x = 1,100,744.70

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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.