Home / 648,001.62-972,436.37-268,922.70

Finding the Fourth Proportional to 648,001.62, 972,436.37 and 268,922.70

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Solution

The fourth proportional to 648,001.62, 972,436.37 and 268,922.70 is: 403,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.62 : 972,436.37 = 268,922.70 : x
  2. Step 2: Convert to fraction form
    648,001.62/972,436.37 = 268,922.70/x
  3. Step 3: Cross multiply
    648,001.62x = 972,436.37 × 268,922.70
  4. Step 4: Simplify right side
    648,001.62x = 261,510,212,853.99
  5. Step 5: Solve for x
    x = 261,510,212,853.99/648,001.62
  6. Step 6: Final answer
    x = 403,564.13

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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.