Home / 436,877.28-603,076.68-293,720.40

Finding the Fourth Proportional to 436,877.28, 603,076.68 and 293,720.40

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Solution

The fourth proportional to 436,877.28, 603,076.68 and 293,720.40 is: 405,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,877.28 : 603,076.68 = 293,720.40 : x
  2. Step 2: Convert to fraction form
    436,877.28/603,076.68 = 293,720.40/x
  3. Step 3: Cross multiply
    436,877.28x = 603,076.68 × 293,720.40
  4. Step 4: Simplify right side
    436,877.28x = 177,135,923,680.27
  5. Step 5: Solve for x
    x = 177,135,923,680.27/436,877.28
  6. Step 6: Final answer
    x = 405,459.23

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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.