Home / 667,837.07-1,001,801.78-268,478.12

Finding the Fourth Proportional to 667,837.07, 1,001,801.78 and 268,478.12

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Solution

The fourth proportional to 667,837.07, 1,001,801.78 and 268,478.12 is: 402,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,837.07 : 1,001,801.78 = 268,478.12 : x
  2. Step 2: Convert to fraction form
    667,837.07/1,001,801.78 = 268,478.12/x
  3. Step 3: Cross multiply
    667,837.07x = 1,001,801.78 × 268,478.12
  4. Step 4: Simplify right side
    667,837.07x = 268,961,852,155.65
  5. Step 5: Solve for x
    x = 268,961,852,155.65/667,837.07
  6. Step 6: Final answer
    x = 402,735.74

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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.