Home / 668,464.40-1,002,826.20-336,040.40

Finding the Fourth Proportional to 668,464.40, 1,002,826.20 and 336,040.40

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Solution

The fourth proportional to 668,464.40, 1,002,826.20 and 336,040.40 is: 504,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,464.40 : 1,002,826.20 = 336,040.40 : x
  2. Step 2: Convert to fraction form
    668,464.40/1,002,826.20 = 336,040.40/x
  3. Step 3: Cross multiply
    668,464.40x = 1,002,826.20 × 336,040.40
  4. Step 4: Simplify right side
    668,464.40x = 336,990,117,378.48
  5. Step 5: Solve for x
    x = 336,990,117,378.48/668,464.40
  6. Step 6: Final answer
    x = 504,125.75

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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.