Home / 817,673.83-1,226,435.56-218,613.52

Finding the Fourth Proportional to 817,673.83, 1,226,435.56 and 218,613.52

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Solution

The fourth proportional to 817,673.83, 1,226,435.56 and 218,613.52 is: 327,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,673.83 : 1,226,435.56 = 218,613.52 : x
  2. Step 2: Convert to fraction form
    817,673.83/1,226,435.56 = 218,613.52/x
  3. Step 3: Cross multiply
    817,673.83x = 1,226,435.56 × 218,613.52
  4. Step 4: Simplify right side
    817,673.83x = 268,115,394,824.77
  5. Step 5: Solve for x
    x = 268,115,394,824.77/817,673.83
  6. Step 6: Final answer
    x = 327,900.18

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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.