Home / 886,486.75-1,329,730.16-221,638.75

Finding the Fourth Proportional to 886,486.75, 1,329,730.16 and 221,638.75

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Solution

The fourth proportional to 886,486.75, 1,329,730.16 and 221,638.75 is: 332,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,486.75 : 1,329,730.16 = 221,638.75 : x
  2. Step 2: Convert to fraction form
    886,486.75/1,329,730.16 = 221,638.75/x
  3. Step 3: Cross multiply
    886,486.75x = 1,329,730.16 × 221,638.75
  4. Step 4: Simplify right side
    886,486.75x = 294,719,730,499.70
  5. Step 5: Solve for x
    x = 294,719,730,499.70/886,486.75
  6. Step 6: Final answer
    x = 332,458.13

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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.