Home / 630,668.28-945,439.97-231,215.97

Finding the Fourth Proportional to 630,668.28, 945,439.97 and 231,215.97

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Solution

The fourth proportional to 630,668.28, 945,439.97 and 231,215.97 is: 346,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,668.28 : 945,439.97 = 231,215.97 : x
  2. Step 2: Convert to fraction form
    630,668.28/945,439.97 = 231,215.97/x
  3. Step 3: Cross multiply
    630,668.28x = 945,439.97 × 231,215.97
  4. Step 4: Simplify right side
    630,668.28x = 218,600,818,762.43
  5. Step 5: Solve for x
    x = 218,600,818,762.43/630,668.28
  6. Step 6: Final answer
    x = 346,617.75

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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.