Home / 668,794.95-1,002,601.98-511,724.61

Finding the Fourth Proportional to 668,794.95, 1,002,601.98 and 511,724.61

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Solution

The fourth proportional to 668,794.95, 1,002,601.98 and 511,724.61 is: 767,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,794.95 : 1,002,601.98 = 511,724.61 : x
  2. Step 2: Convert to fraction form
    668,794.95/1,002,601.98 = 511,724.61/x
  3. Step 3: Cross multiply
    668,794.95x = 1,002,601.98 × 511,724.61
  4. Step 4: Simplify right side
    668,794.95x = 513,056,107,200.73
  5. Step 5: Solve for x
    x = 513,056,107,200.73/668,794.95
  6. Step 6: Final answer
    x = 767,135.14

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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.