Home / 763,945.08-1,146,036.48-231,339.30

Finding the Fourth Proportional to 763,945.08, 1,146,036.48 and 231,339.30

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Solution

The fourth proportional to 763,945.08, 1,146,036.48 and 231,339.30 is: 347,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,945.08 : 1,146,036.48 = 231,339.30 : x
  2. Step 2: Convert to fraction form
    763,945.08/1,146,036.48 = 231,339.30/x
  3. Step 3: Cross multiply
    763,945.08x = 1,146,036.48 × 231,339.30
  4. Step 4: Simplify right side
    763,945.08x = 265,123,277,057.66
  5. Step 5: Solve for x
    x = 265,123,277,057.66/763,945.08
  6. Step 6: Final answer
    x = 347,044.94

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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.