Home / 628,488.36-941,990.76-268,553.92

Finding the Fourth Proportional to 628,488.36, 941,990.76 and 268,553.92

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Solution

The fourth proportional to 628,488.36, 941,990.76 and 268,553.92 is: 402,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,488.36 : 941,990.76 = 268,553.92 : x
  2. Step 2: Convert to fraction form
    628,488.36/941,990.76 = 268,553.92/x
  3. Step 3: Cross multiply
    628,488.36x = 941,990.76 × 268,553.92
  4. Step 4: Simplify right side
    628,488.36x = 252,975,311,201.78
  5. Step 5: Solve for x
    x = 252,975,311,201.78/628,488.36
  6. Step 6: Final answer
    x = 402,513.92

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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.