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Finding the Fourth Proportional to 800,572.30, 1,201,568.87 and 374,340.00

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Solution

The fourth proportional to 800,572.30, 1,201,568.87 and 374,340.00 is: 561,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,572.30 : 1,201,568.87 = 374,340.00 : x
  2. Step 2: Convert to fraction form
    800,572.30/1,201,568.87 = 374,340.00/x
  3. Step 3: Cross multiply
    800,572.30x = 1,201,568.87 × 374,340.00
  4. Step 4: Simplify right side
    800,572.30x = 449,795,296,237.53
  5. Step 5: Solve for x
    x = 449,795,296,237.53/800,572.30
  6. Step 6: Final answer
    x = 561,842.19

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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.