Home / 417,717.70-576,450.90-226,731.04

Finding the Fourth Proportional to 417,717.70, 576,450.90 and 226,731.04

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Solution

The fourth proportional to 417,717.70, 576,450.90 and 226,731.04 is: 312,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,717.70 : 576,450.90 = 226,731.04 : x
  2. Step 2: Convert to fraction form
    417,717.70/576,450.90 = 226,731.04/x
  3. Step 3: Cross multiply
    417,717.70x = 576,450.90 × 226,731.04
  4. Step 4: Simplify right side
    417,717.70x = 130,699,312,065.94
  5. Step 5: Solve for x
    x = 130,699,312,065.94/417,717.70
  6. Step 6: Final answer
    x = 312,889.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.