Home / 668,337.60-1,002,453.28-268,696.64

Finding the Fourth Proportional to 668,337.60, 1,002,453.28 and 268,696.64

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Solution

The fourth proportional to 668,337.60, 1,002,453.28 and 268,696.64 is: 403,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,337.60 : 1,002,453.28 = 268,696.64 : x
  2. Step 2: Convert to fraction form
    668,337.60/1,002,453.28 = 268,696.64/x
  3. Step 3: Cross multiply
    668,337.60x = 1,002,453.28 × 268,696.64
  4. Step 4: Simplify right side
    668,337.60x = 269,355,828,092.98
  5. Step 5: Solve for x
    x = 269,355,828,092.98/668,337.60
  6. Step 6: Final answer
    x = 403,023.60

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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.