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Finding the Fourth Proportional to 421,716.48, 631,872.72 and 296,795.04

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Solution

The fourth proportional to 421,716.48, 631,872.72 and 296,795.04 is: 444,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,716.48 : 631,872.72 = 296,795.04 : x
  2. Step 2: Convert to fraction form
    421,716.48/631,872.72 = 296,795.04/x
  3. Step 3: Cross multiply
    421,716.48x = 631,872.72 × 296,795.04
  4. Step 4: Simplify right side
    421,716.48x = 187,536,689,207.31
  5. Step 5: Solve for x
    x = 187,536,689,207.31/421,716.48
  6. Step 6: Final answer
    x = 444,698.51

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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.