Home / 486,032.60-729,048.90-336,231.20

Finding the Fourth Proportional to 486,032.60, 729,048.90 and 336,231.20

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Solution

The fourth proportional to 486,032.60, 729,048.90 and 336,231.20 is: 504,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,032.60 : 729,048.90 = 336,231.20 : x
  2. Step 2: Convert to fraction form
    486,032.60/729,048.90 = 336,231.20/x
  3. Step 3: Cross multiply
    486,032.60x = 729,048.90 × 336,231.20
  4. Step 4: Simplify right side
    486,032.60x = 245,128,986,505.68
  5. Step 5: Solve for x
    x = 245,128,986,505.68/486,032.60
  6. Step 6: Final answer
    x = 504,346.80

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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.