Home / 821,884.14-1,232,942.01-253,311.21

Finding the Fourth Proportional to 821,884.14, 1,232,942.01 and 253,311.21

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Solution

The fourth proportional to 821,884.14, 1,232,942.01 and 253,311.21 is: 380,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,884.14 : 1,232,942.01 = 253,311.21 : x
  2. Step 2: Convert to fraction form
    821,884.14/1,232,942.01 = 253,311.21/x
  3. Step 3: Cross multiply
    821,884.14x = 1,232,942.01 × 253,311.21
  4. Step 4: Simplify right side
    821,884.14x = 312,318,032,412.93
  5. Step 5: Solve for x
    x = 312,318,032,412.93/821,884.14
  6. Step 6: Final answer
    x = 380,002.51

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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.