Home / 886,494.75-1,329,742.13-221,646.75

Finding the Fourth Proportional to 886,494.75, 1,329,742.13 and 221,646.75

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Solution

The fourth proportional to 886,494.75, 1,329,742.13 and 221,646.75 is: 332,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,494.75 : 1,329,742.13 = 221,646.75 : x
  2. Step 2: Convert to fraction form
    886,494.75/1,329,742.13 = 221,646.75/x
  3. Step 3: Cross multiply
    886,494.75x = 1,329,742.13 × 221,646.75
  4. Step 4: Simplify right side
    886,494.75x = 294,733,020,344.34
  5. Step 5: Solve for x
    x = 294,733,020,344.34/886,494.75
  6. Step 6: Final answer
    x = 332,470.13

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1.5x scale

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.