Home / 754,933.60-1,132,400.40-256,297.60

Finding the Fourth Proportional to 754,933.60, 1,132,400.40 and 256,297.60

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Solution

The fourth proportional to 754,933.60, 1,132,400.40 and 256,297.60 is: 384,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,933.60 : 1,132,400.40 = 256,297.60 : x
  2. Step 2: Convert to fraction form
    754,933.60/1,132,400.40 = 256,297.60/x
  3. Step 3: Cross multiply
    754,933.60x = 1,132,400.40 × 256,297.60
  4. Step 4: Simplify right side
    754,933.60x = 290,231,504,759.04
  5. Step 5: Solve for x
    x = 290,231,504,759.04/754,933.60
  6. Step 6: Final answer
    x = 384,446.40

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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.