Home / 817,601.31-1,226,407.42-285,120.27

Finding the Fourth Proportional to 817,601.31, 1,226,407.42 and 285,120.27

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Solution

The fourth proportional to 817,601.31, 1,226,407.42 and 285,120.27 is: 427,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,601.31 : 1,226,407.42 = 285,120.27 : x
  2. Step 2: Convert to fraction form
    817,601.31/1,226,407.42 = 285,120.27/x
  3. Step 3: Cross multiply
    817,601.31x = 1,226,407.42 × 285,120.27
  4. Step 4: Simplify right side
    817,601.31x = 349,673,608,588.37
  5. Step 5: Solve for x
    x = 349,673,608,588.37/817,601.31
  6. Step 6: Final answer
    x = 427,682.30

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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.