Home / 922,370.80-1,383,556.20-324,007.60

Finding the Fourth Proportional to 922,370.80, 1,383,556.20 and 324,007.60

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Solution

The fourth proportional to 922,370.80, 1,383,556.20 and 324,007.60 is: 486,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,370.80 : 1,383,556.20 = 324,007.60 : x
  2. Step 2: Convert to fraction form
    922,370.80/1,383,556.20 = 324,007.60/x
  3. Step 3: Cross multiply
    922,370.80x = 1,383,556.20 × 324,007.60
  4. Step 4: Simplify right side
    922,370.80x = 448,282,723,827.12
  5. Step 5: Solve for x
    x = 448,282,723,827.12/922,370.80
  6. Step 6: Final answer
    x = 486,011.40

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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.