Home / 923,399.16-1,385,177.70-324,308.16

Finding the Fourth Proportional to 923,399.16, 1,385,177.70 and 324,308.16

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Solution

The fourth proportional to 923,399.16, 1,385,177.70 and 324,308.16 is: 486,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,399.16 : 1,385,177.70 = 324,308.16 : x
  2. Step 2: Convert to fraction form
    923,399.16/1,385,177.70 = 324,308.16/x
  3. Step 3: Cross multiply
    923,399.16x = 1,385,177.70 × 324,308.16
  4. Step 4: Simplify right side
    923,399.16x = 449,224,431,160.03
  5. Step 5: Solve for x
    x = 449,224,431,160.03/923,399.16
  6. Step 6: Final answer
    x = 486,489.97

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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.