Home / 756,306.57-1,043,689.68-412,145.58

Finding the Fourth Proportional to 756,306.57, 1,043,689.68 and 412,145.58

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Solution

The fourth proportional to 756,306.57, 1,043,689.68 and 412,145.58 is: 568,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,306.57 : 1,043,689.68 = 412,145.58 : x
  2. Step 2: Convert to fraction form
    756,306.57/1,043,689.68 = 412,145.58/x
  3. Step 3: Cross multiply
    756,306.57x = 1,043,689.68 × 412,145.58
  4. Step 4: Simplify right side
    756,306.57x = 430,152,088,503.61
  5. Step 5: Solve for x
    x = 430,152,088,503.61/756,306.57
  6. Step 6: Final answer
    x = 568,753.61

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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.