Home / 696,874.60-1,042,668.42-412,717.24

Finding the Fourth Proportional to 696,874.60, 1,042,668.42 and 412,717.24

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Solution

The fourth proportional to 696,874.60, 1,042,668.42 and 412,717.24 is: 617,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,874.60 : 1,042,668.42 = 412,717.24 : x
  2. Step 2: Convert to fraction form
    696,874.60/1,042,668.42 = 412,717.24/x
  3. Step 3: Cross multiply
    696,874.60x = 1,042,668.42 × 412,717.24
  4. Step 4: Simplify right side
    696,874.60x = 430,327,232,537.56
  5. Step 5: Solve for x
    x = 430,327,232,537.56/696,874.60
  6. Step 6: Final answer
    x = 617,510.28

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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.