Home / 827,930.52-1,242,377.64-348,123.60

Finding the Fourth Proportional to 827,930.52, 1,242,377.64 and 348,123.60

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Solution

The fourth proportional to 827,930.52, 1,242,377.64 and 348,123.60 is: 522,388.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,930.52 : 1,242,377.64 = 348,123.60 : x
  2. Step 2: Convert to fraction form
    827,930.52/1,242,377.64 = 348,123.60/x
  3. Step 3: Cross multiply
    827,930.52x = 1,242,377.64 × 348,123.60
  4. Step 4: Simplify right side
    827,930.52x = 432,500,976,596.30
  5. Step 5: Solve for x
    x = 432,500,976,596.30/827,930.52
  6. Step 6: Final answer
    x = 522,388.01

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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.