Home / 872,945.28-1,309,272.12-241,922.88

Finding the Fourth Proportional to 872,945.28, 1,309,272.12 and 241,922.88

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Solution

The fourth proportional to 872,945.28, 1,309,272.12 and 241,922.88 is: 362,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,945.28 : 1,309,272.12 = 241,922.88 : x
  2. Step 2: Convert to fraction form
    872,945.28/1,309,272.12 = 241,922.88/x
  3. Step 3: Cross multiply
    872,945.28x = 1,309,272.12 × 241,922.88
  4. Step 4: Simplify right side
    872,945.28x = 316,742,881,974.11
  5. Step 5: Solve for x
    x = 316,742,881,974.11/872,945.28
  6. Step 6: Final answer
    x = 362,843.91

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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.