Home / 862,917.36-1,294,959.24-301,956.72

Finding the Fourth Proportional to 862,917.36, 1,294,959.24 and 301,956.72

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Solution

The fourth proportional to 862,917.36, 1,294,959.24 and 301,956.72 is: 453,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,917.36 : 1,294,959.24 = 301,956.72 : x
  2. Step 2: Convert to fraction form
    862,917.36/1,294,959.24 = 301,956.72/x
  3. Step 3: Cross multiply
    862,917.36x = 1,294,959.24 × 301,956.72
  4. Step 4: Simplify right side
    862,917.36x = 391,021,644,644.09
  5. Step 5: Solve for x
    x = 391,021,644,644.09/862,917.36
  6. Step 6: Final answer
    x = 453,139.16

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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.