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Finding the Fourth Proportional to 576,469.80, 864,704.70 and 244,693.80

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Solution

The fourth proportional to 576,469.80, 864,704.70 and 244,693.80 is: 367,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,469.80 : 864,704.70 = 244,693.80 : x
  2. Step 2: Convert to fraction form
    576,469.80/864,704.70 = 244,693.80/x
  3. Step 3: Cross multiply
    576,469.80x = 864,704.70 × 244,693.80
  4. Step 4: Simplify right side
    576,469.80x = 211,587,878,920.86
  5. Step 5: Solve for x
    x = 211,587,878,920.86/576,469.80
  6. Step 6: Final answer
    x = 367,040.70

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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.