Home / 862,935.36-1,294,986.24-301,974.72

Finding the Fourth Proportional to 862,935.36, 1,294,986.24 and 301,974.72

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Solution

The fourth proportional to 862,935.36, 1,294,986.24 and 301,974.72 is: 453,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,935.36 : 1,294,986.24 = 301,974.72 : x
  2. Step 2: Convert to fraction form
    862,935.36/1,294,986.24 = 301,974.72/x
  3. Step 3: Cross multiply
    862,935.36x = 1,294,986.24 × 301,974.72
  4. Step 4: Simplify right side
    862,935.36x = 391,053,107,227.85
  5. Step 5: Solve for x
    x = 391,053,107,227.85/862,935.36
  6. Step 6: Final answer
    x = 453,166.16

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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.