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Finding the Fourth Proportional to 445,954, 668,924.22 and 309,050.80

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Solution

The fourth proportional to 445,954, 668,924.22 and 309,050.80 is: 463,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,954 : 668,924.22 = 309,050.80 : x
  2. Step 2: Convert to fraction form
    445,954/668,924.22 = 309,050.80/x
  3. Step 3: Cross multiply
    445,954x = 668,924.22 × 309,050.80
  4. Step 4: Simplify right side
    445,954x = 206,731,565,330.38
  5. Step 5: Solve for x
    x = 206,731,565,330.38/445,954
  6. Step 6: Final answer
    x = 463,571.50

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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.