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Finding the Fourth Proportional to 494,400.60, 741,600.90 and 284,448.60

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Solution

The fourth proportional to 494,400.60, 741,600.90 and 284,448.60 is: 426,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,400.60 : 741,600.90 = 284,448.60 : x
  2. Step 2: Convert to fraction form
    494,400.60/741,600.90 = 284,448.60/x
  3. Step 3: Cross multiply
    494,400.60x = 741,600.90 × 284,448.60
  4. Step 4: Simplify right side
    494,400.60x = 210,947,337,763.74
  5. Step 5: Solve for x
    x = 210,947,337,763.74/494,400.60
  6. Step 6: Final answer
    x = 426,672.90

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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.