Home / 668,189.88-1,002,035.52-268,696.08

Finding the Fourth Proportional to 668,189.88, 1,002,035.52 and 268,696.08

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Solution

The fourth proportional to 668,189.88, 1,002,035.52 and 268,696.08 is: 402,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,189.88 : 1,002,035.52 = 268,696.08 : x
  2. Step 2: Convert to fraction form
    668,189.88/1,002,035.52 = 268,696.08/x
  3. Step 3: Cross multiply
    668,189.88x = 1,002,035.52 × 268,696.08
  4. Step 4: Simplify right side
    668,189.88x = 269,243,016,244.76
  5. Step 5: Solve for x
    x = 269,243,016,244.76/668,189.88
  6. Step 6: Final answer
    x = 402,943.87

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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.