Home / 477,945.28-659,291.16-298,786.24

Finding the Fourth Proportional to 477,945.28, 659,291.16 and 298,786.24

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Solution

The fourth proportional to 477,945.28, 659,291.16 and 298,786.24 is: 412,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,945.28 : 659,291.16 = 298,786.24 : x
  2. Step 2: Convert to fraction form
    477,945.28/659,291.16 = 298,786.24/x
  3. Step 3: Cross multiply
    477,945.28x = 659,291.16 × 298,786.24
  4. Step 4: Simplify right side
    477,945.28x = 196,987,126,761.64
  5. Step 5: Solve for x
    x = 196,987,126,761.64/477,945.28
  6. Step 6: Final answer
    x = 412,154.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.