Home / 781,617.60-1,172,426.40-332,189.10

Finding the Fourth Proportional to 781,617.60, 1,172,426.40 and 332,189.10

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Solution

The fourth proportional to 781,617.60, 1,172,426.40 and 332,189.10 is: 498,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,617.60 : 1,172,426.40 = 332,189.10 : x
  2. Step 2: Convert to fraction form
    781,617.60/1,172,426.40 = 332,189.10/x
  3. Step 3: Cross multiply
    781,617.60x = 1,172,426.40 × 332,189.10
  4. Step 4: Simplify right side
    781,617.60x = 389,467,270,632.24
  5. Step 5: Solve for x
    x = 389,467,270,632.24/781,617.60
  6. Step 6: Final answer
    x = 498,283.65

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Double scale
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Similar ratio
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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.