Home / 699,195.03-964,917.96-393,285.69

Finding the Fourth Proportional to 699,195.03, 964,917.96 and 393,285.69

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Solution

The fourth proportional to 699,195.03, 964,917.96 and 393,285.69 is: 542,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,195.03 : 964,917.96 = 393,285.69 : x
  2. Step 2: Convert to fraction form
    699,195.03/964,917.96 = 393,285.69/x
  3. Step 3: Cross multiply
    699,195.03x = 964,917.96 × 393,285.69
  4. Step 4: Simplify right side
    699,195.03x = 379,488,425,691.99
  5. Step 5: Solve for x
    x = 379,488,425,691.99/699,195.03
  6. Step 6: Final answer
    x = 542,750.46

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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.