Home / 946,941.60-1,420,611.12-273,021.60

Finding the Fourth Proportional to 946,941.60, 1,420,611.12 and 273,021.60

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Solution

The fourth proportional to 946,941.60, 1,420,611.12 and 273,021.60 is: 409,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,941.60 : 1,420,611.12 = 273,021.60 : x
  2. Step 2: Convert to fraction form
    946,941.60/1,420,611.12 = 273,021.60/x
  3. Step 3: Cross multiply
    946,941.60x = 1,420,611.12 × 273,021.60
  4. Step 4: Simplify right side
    946,941.60x = 387,857,520,960.19
  5. Step 5: Solve for x
    x = 387,857,520,960.19/946,941.60
  6. Step 6: Final answer
    x = 409,589.69

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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.