Home / 741,808.12-1,112,421.04-261,933.60

Finding the Fourth Proportional to 741,808.12, 1,112,421.04 and 261,933.60

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Solution

The fourth proportional to 741,808.12, 1,112,421.04 and 261,933.60 is: 392,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,808.12 : 1,112,421.04 = 261,933.60 : x
  2. Step 2: Convert to fraction form
    741,808.12/1,112,421.04 = 261,933.60/x
  3. Step 3: Cross multiply
    741,808.12x = 1,112,421.04 × 261,933.60
  4. Step 4: Simplify right side
    741,808.12x = 291,380,447,722.94
  5. Step 5: Solve for x
    x = 291,380,447,722.94/741,808.12
  6. Step 6: Final answer
    x = 392,797.60

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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.