Home / 803,766.60-1,205,211.90-242,728.20

Finding the Fourth Proportional to 803,766.60, 1,205,211.90 and 242,728.20

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Solution

The fourth proportional to 803,766.60, 1,205,211.90 and 242,728.20 is: 363,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,766.60 : 1,205,211.90 = 242,728.20 : x
  2. Step 2: Convert to fraction form
    803,766.60/1,205,211.90 = 242,728.20/x
  3. Step 3: Cross multiply
    803,766.60x = 1,205,211.90 × 242,728.20
  4. Step 4: Simplify right side
    803,766.60x = 292,538,915,105.58
  5. Step 5: Solve for x
    x = 292,538,915,105.58/803,766.60
  6. Step 6: Final answer
    x = 363,960.03

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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.