Home / 668,290.52-1,002,620.92-308,571.24

Finding the Fourth Proportional to 668,290.52, 1,002,620.92 and 308,571.24

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Solution

The fourth proportional to 668,290.52, 1,002,620.92 and 308,571.24 is: 462,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,290.52 : 1,002,620.92 = 308,571.24 : x
  2. Step 2: Convert to fraction form
    668,290.52/1,002,620.92 = 308,571.24/x
  3. Step 3: Cross multiply
    668,290.52x = 1,002,620.92 × 308,571.24
  4. Step 4: Simplify right side
    668,290.52x = 309,379,980,534.34
  5. Step 5: Solve for x
    x = 309,379,980,534.34/668,290.52
  6. Step 6: Final answer
    x = 462,942.35

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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.