Home / 672,227.81-1,007,969.61-267,009.51

Finding the Fourth Proportional to 672,227.81, 1,007,969.61 and 267,009.51

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Solution

The fourth proportional to 672,227.81, 1,007,969.61 and 267,009.51 is: 400,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,227.81 : 1,007,969.61 = 267,009.51 : x
  2. Step 2: Convert to fraction form
    672,227.81/1,007,969.61 = 267,009.51/x
  3. Step 3: Cross multiply
    672,227.81x = 1,007,969.61 × 267,009.51
  4. Step 4: Simplify right side
    672,227.81x = 269,137,471,660.99
  5. Step 5: Solve for x
    x = 269,137,471,660.99/672,227.81
  6. Step 6: Final answer
    x = 400,366.47

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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.