Home / 638,442.52-957,945.89-334,764.16

Finding the Fourth Proportional to 638,442.52, 957,945.89 and 334,764.16

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Solution

The fourth proportional to 638,442.52, 957,945.89 and 334,764.16 is: 502,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,442.52 : 957,945.89 = 334,764.16 : x
  2. Step 2: Convert to fraction form
    638,442.52/957,945.89 = 334,764.16/x
  3. Step 3: Cross multiply
    638,442.52x = 957,945.89 × 334,764.16
  4. Step 4: Simplify right side
    638,442.52x = 320,685,951,191.30
  5. Step 5: Solve for x
    x = 320,685,951,191.30/638,442.52
  6. Step 6: Final answer
    x = 502,294.16

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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.