Home / 681,769.40-1,022,654.10-302,543.60

Finding the Fourth Proportional to 681,769.40, 1,022,654.10 and 302,543.60

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Solution

The fourth proportional to 681,769.40, 1,022,654.10 and 302,543.60 is: 453,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,769.40 : 1,022,654.10 = 302,543.60 : x
  2. Step 2: Convert to fraction form
    681,769.40/1,022,654.10 = 302,543.60/x
  3. Step 3: Cross multiply
    681,769.40x = 1,022,654.10 × 302,543.60
  4. Step 4: Simplify right side
    681,769.40x = 309,397,452,968.76
  5. Step 5: Solve for x
    x = 309,397,452,968.76/681,769.40
  6. Step 6: Final answer
    x = 453,815.40

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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.