Home / 886,246.80-1,329,370.20-325,208.40

Finding the Fourth Proportional to 886,246.80, 1,329,370.20 and 325,208.40

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Solution

The fourth proportional to 886,246.80, 1,329,370.20 and 325,208.40 is: 487,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,246.80 : 1,329,370.20 = 325,208.40 : x
  2. Step 2: Convert to fraction form
    886,246.80/1,329,370.20 = 325,208.40/x
  3. Step 3: Cross multiply
    886,246.80x = 1,329,370.20 × 325,208.40
  4. Step 4: Simplify right side
    886,246.80x = 432,322,355,749.68
  5. Step 5: Solve for x
    x = 432,322,355,749.68/886,246.80
  6. Step 6: Final answer
    x = 487,812.60

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Similar ratio
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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.