Home / 851,769.60-1,277,654.40-252,823.20

Finding the Fourth Proportional to 851,769.60, 1,277,654.40 and 252,823.20

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Solution

The fourth proportional to 851,769.60, 1,277,654.40 and 252,823.20 is: 379,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,769.60 : 1,277,654.40 = 252,823.20 : x
  2. Step 2: Convert to fraction form
    851,769.60/1,277,654.40 = 252,823.20/x
  3. Step 3: Cross multiply
    851,769.60x = 1,277,654.40 × 252,823.20
  4. Step 4: Simplify right side
    851,769.60x = 323,020,673,902.08
  5. Step 5: Solve for x
    x = 323,020,673,902.08/851,769.60
  6. Step 6: Final answer
    x = 379,234.80

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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.