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Finding the Fourth Proportional to 576,004.80, 864,007.20 and 324,062.40

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Solution

The fourth proportional to 576,004.80, 864,007.20 and 324,062.40 is: 486,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,004.80 : 864,007.20 = 324,062.40 : x
  2. Step 2: Convert to fraction form
    576,004.80/864,007.20 = 324,062.40/x
  3. Step 3: Cross multiply
    576,004.80x = 864,007.20 × 324,062.40
  4. Step 4: Simplify right side
    576,004.80x = 279,992,246,849.28
  5. Step 5: Solve for x
    x = 279,992,246,849.28/576,004.80
  6. Step 6: Final answer
    x = 486,093.60

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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.