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Finding the Fourth Proportional to 677,212.50, 934,546.97 and 371,305.88

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Solution

The fourth proportional to 677,212.50, 934,546.97 and 371,305.88 is: 512,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,212.50 : 934,546.97 = 371,305.88 : x
  2. Step 2: Convert to fraction form
    677,212.50/934,546.97 = 371,305.88/x
  3. Step 3: Cross multiply
    677,212.50x = 934,546.97 × 371,305.88
  4. Step 4: Simplify right side
    677,212.50x = 347,002,781,352.71
  5. Step 5: Solve for x
    x = 347,002,781,352.71/677,212.50
  6. Step 6: Final answer
    x = 512,398.67

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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.