Home / 483,112.20-724,668.30-341,394.60

Finding the Fourth Proportional to 483,112.20, 724,668.30 and 341,394.60

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Solution

The fourth proportional to 483,112.20, 724,668.30 and 341,394.60 is: 512,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,112.20 : 724,668.30 = 341,394.60 : x
  2. Step 2: Convert to fraction form
    483,112.20/724,668.30 = 341,394.60/x
  3. Step 3: Cross multiply
    483,112.20x = 724,668.30 × 341,394.60
  4. Step 4: Simplify right side
    483,112.20x = 247,397,844,411.18
  5. Step 5: Solve for x
    x = 247,397,844,411.18/483,112.20
  6. Step 6: Final answer
    x = 512,091.90

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Similar ratio
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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.