Home / 674,120.52-1,011,399.48-200,809.98

Finding the Fourth Proportional to 674,120.52, 1,011,399.48 and 200,809.98

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Solution

The fourth proportional to 674,120.52, 1,011,399.48 and 200,809.98 is: 301,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,120.52 : 1,011,399.48 = 200,809.98 : x
  2. Step 2: Convert to fraction form
    674,120.52/1,011,399.48 = 200,809.98/x
  3. Step 3: Cross multiply
    674,120.52x = 1,011,399.48 × 200,809.98
  4. Step 4: Simplify right side
    674,120.52x = 203,099,109,350.81
  5. Step 5: Solve for x
    x = 203,099,109,350.81/674,120.52
  6. Step 6: Final answer
    x = 301,280.12

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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.