Home / 754,788.26-1,132,145.40-281,436.60

Finding the Fourth Proportional to 754,788.26, 1,132,145.40 and 281,436.60

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Solution

The fourth proportional to 754,788.26, 1,132,145.40 and 281,436.60 is: 422,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,788.26 : 1,132,145.40 = 281,436.60 : x
  2. Step 2: Convert to fraction form
    754,788.26/1,132,145.40 = 281,436.60/x
  3. Step 3: Cross multiply
    754,788.26x = 1,132,145.40 × 281,436.60
  4. Step 4: Simplify right side
    754,788.26x = 318,627,152,081.64
  5. Step 5: Solve for x
    x = 318,627,152,081.64/754,788.26
  6. Step 6: Final answer
    x = 422,141.11

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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.