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Finding the Fourth Proportional to 572,756.73, 790,226.37 and 330,951.03

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Solution

The fourth proportional to 572,756.73, 790,226.37 and 330,951.03 is: 456,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,756.73 : 790,226.37 = 330,951.03 : x
  2. Step 2: Convert to fraction form
    572,756.73/790,226.37 = 330,951.03/x
  3. Step 3: Cross multiply
    572,756.73x = 790,226.37 × 330,951.03
  4. Step 4: Simplify right side
    572,756.73x = 261,526,231,084.66
  5. Step 5: Solve for x
    x = 261,526,231,084.66/572,756.73
  6. Step 6: Final answer
    x = 456,609.62

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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.