Home / 379,764.72-523,598.99-243,558.36

Finding the Fourth Proportional to 379,764.72, 523,598.99 and 243,558.36

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Solution

The fourth proportional to 379,764.72, 523,598.99 and 243,558.36 is: 335,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,764.72 : 523,598.99 = 243,558.36 : x
  2. Step 2: Convert to fraction form
    379,764.72/523,598.99 = 243,558.36/x
  3. Step 3: Cross multiply
    379,764.72x = 523,598.99 × 243,558.36
  4. Step 4: Simplify right side
    379,764.72x = 127,526,910,084.27
  5. Step 5: Solve for x
    x = 127,526,910,084.27/379,764.72
  6. Step 6: Final answer
    x = 335,805.05

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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.