Home / 804,234.60-1,205,768.70-330,676.20

Finding the Fourth Proportional to 804,234.60, 1,205,768.70 and 330,676.20

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Solution

The fourth proportional to 804,234.60, 1,205,768.70 and 330,676.20 is: 495,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,234.60 : 1,205,768.70 = 330,676.20 : x
  2. Step 2: Convert to fraction form
    804,234.60/1,205,768.70 = 330,676.20/x
  3. Step 3: Cross multiply
    804,234.60x = 1,205,768.70 × 330,676.20
  4. Step 4: Simplify right side
    804,234.60x = 398,719,011,794.94
  5. Step 5: Solve for x
    x = 398,719,011,794.94/804,234.60
  6. Step 6: Final answer
    x = 495,774.51

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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.