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Finding the Fourth Proportional to 574,750.96, 793,180.80 and 320,102.12

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Solution

The fourth proportional to 574,750.96, 793,180.80 and 320,102.12 is: 441,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,750.96 : 793,180.80 = 320,102.12 : x
  2. Step 2: Convert to fraction form
    574,750.96/793,180.80 = 320,102.12/x
  3. Step 3: Cross multiply
    574,750.96x = 793,180.80 × 320,102.12
  4. Step 4: Simplify right side
    574,750.96x = 253,898,855,623.30
  5. Step 5: Solve for x
    x = 253,898,855,623.30/574,750.96
  6. Step 6: Final answer
    x = 441,754.56

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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.