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Finding the Fourth Proportional to 666,241.20, 999,449.37 and 350,715.42

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Solution

The fourth proportional to 666,241.20, 999,449.37 and 350,715.42 is: 526,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,241.20 : 999,449.37 = 350,715.42 : x
  2. Step 2: Convert to fraction form
    666,241.20/999,449.37 = 350,715.42/x
  3. Step 3: Cross multiply
    666,241.20x = 999,449.37 × 350,715.42
  4. Step 4: Simplify right side
    666,241.20x = 350,522,305,568.29
  5. Step 5: Solve for x
    x = 350,522,305,568.29/666,241.20
  6. Step 6: Final answer
    x = 526,119.23

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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.