Home / 803,871.19-1,204,889.53-323,791.72

Finding the Fourth Proportional to 803,871.19, 1,204,889.53 and 323,791.72

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Solution

The fourth proportional to 803,871.19, 1,204,889.53 and 323,791.72 is: 485,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,871.19 : 1,204,889.53 = 323,791.72 : x
  2. Step 2: Convert to fraction form
    803,871.19/1,204,889.53 = 323,791.72/x
  3. Step 3: Cross multiply
    803,871.19x = 1,204,889.53 × 323,791.72
  4. Step 4: Simplify right side
    803,871.19x = 390,133,252,519.21
  5. Step 5: Solve for x
    x = 390,133,252,519.21/803,871.19
  6. Step 6: Final answer
    x = 485,318.12

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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.