Home / 668,466.40-1,002,829.20-336,042.40

Finding the Fourth Proportional to 668,466.40, 1,002,829.20 and 336,042.40

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Solution

The fourth proportional to 668,466.40, 1,002,829.20 and 336,042.40 is: 504,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,466.40 : 1,002,829.20 = 336,042.40 : x
  2. Step 2: Convert to fraction form
    668,466.40/1,002,829.20 = 336,042.40/x
  3. Step 3: Cross multiply
    668,466.40x = 1,002,829.20 × 336,042.40
  4. Step 4: Simplify right side
    668,466.40x = 336,993,131,158.08
  5. Step 5: Solve for x
    x = 336,993,131,158.08/668,466.40
  6. Step 6: Final answer
    x = 504,128.75

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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.