Home / 820,027.70-1,230,214.35-346,469.30

Finding the Fourth Proportional to 820,027.70, 1,230,214.35 and 346,469.30

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Solution

The fourth proportional to 820,027.70, 1,230,214.35 and 346,469.30 is: 519,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,027.70 : 1,230,214.35 = 346,469.30 : x
  2. Step 2: Convert to fraction form
    820,027.70/1,230,214.35 = 346,469.30/x
  3. Step 3: Cross multiply
    820,027.70x = 1,230,214.35 × 346,469.30
  4. Step 4: Simplify right side
    820,027.70x = 426,231,504,694.46
  5. Step 5: Solve for x
    x = 426,231,504,694.46/820,027.70
  6. Step 6: Final answer
    x = 519,776.96

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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.