Home / 756,787.75-1,044,375.24-412,620.86

Finding the Fourth Proportional to 756,787.75, 1,044,375.24 and 412,620.86

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Solution

The fourth proportional to 756,787.75, 1,044,375.24 and 412,620.86 is: 569,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,787.75 : 1,044,375.24 = 412,620.86 : x
  2. Step 2: Convert to fraction form
    756,787.75/1,044,375.24 = 412,620.86/x
  3. Step 3: Cross multiply
    756,787.75x = 1,044,375.24 × 412,620.86
  4. Step 4: Simplify right side
    756,787.75x = 430,931,011,270.89
  5. Step 5: Solve for x
    x = 430,931,011,270.89/756,787.75
  6. Step 6: Final answer
    x = 569,421.23

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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.