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Finding the Fourth Proportional to 576,786.65, 864,617.63 and 230,466.92

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Solution

The fourth proportional to 576,786.65, 864,617.63 and 230,466.92 is: 345,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,786.65 : 864,617.63 = 230,466.92 : x
  2. Step 2: Convert to fraction form
    576,786.65/864,617.63 = 230,466.92/x
  3. Step 3: Cross multiply
    576,786.65x = 864,617.63 × 230,466.92
  4. Step 4: Simplify right side
    576,786.65x = 199,265,763,173.01
  5. Step 5: Solve for x
    x = 199,265,763,173.01/576,786.65
  6. Step 6: Final answer
    x = 345,475.68

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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.