Home / 781,869.44-1,172,824.66-269,529.16

Finding the Fourth Proportional to 781,869.44, 1,172,824.66 and 269,529.16

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Solution

The fourth proportional to 781,869.44, 1,172,824.66 and 269,529.16 is: 404,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,869.44 : 1,172,824.66 = 269,529.16 : x
  2. Step 2: Convert to fraction form
    781,869.44/1,172,824.66 = 269,529.16/x
  3. Step 3: Cross multiply
    781,869.44x = 1,172,824.66 × 269,529.16
  4. Step 4: Simplify right side
    781,869.44x = 316,110,445,437.09
  5. Step 5: Solve for x
    x = 316,110,445,437.09/781,869.44
  6. Step 6: Final answer
    x = 404,300.81

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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.