Home / 886,479.50-1,329,719.26-221,631.50

Finding the Fourth Proportional to 886,479.50, 1,329,719.26 and 221,631.50

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Solution

The fourth proportional to 886,479.50, 1,329,719.26 and 221,631.50 is: 332,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,479.50 : 1,329,719.26 = 221,631.50 : x
  2. Step 2: Convert to fraction form
    886,479.50/1,329,719.26 = 221,631.50/x
  3. Step 3: Cross multiply
    886,479.50x = 1,329,719.26 × 221,631.50
  4. Step 4: Simplify right side
    886,479.50x = 294,707,674,172.69
  5. Step 5: Solve for x
    x = 294,707,674,172.69/886,479.50
  6. Step 6: Final answer
    x = 332,447.25

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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.