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Finding the Fourth Proportional to 668,774.34, 1,002,571.01 and 511,704

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Solution

The fourth proportional to 668,774.34, 1,002,571.01 and 511,704 is: 767,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,774.34 : 1,002,571.01 = 511,704 : x
  2. Step 2: Convert to fraction form
    668,774.34/1,002,571.01 = 511,704/x
  3. Step 3: Cross multiply
    668,774.34x = 1,002,571.01 × 511,704
  4. Step 4: Simplify right side
    668,774.34x = 513,019,593,542.52
  5. Step 5: Solve for x
    x = 513,019,593,542.52/668,774.34
  6. Step 6: Final answer
    x = 767,104.18

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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.