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Finding the Fourth Proportional to 660,500.02, 911,489.96 and 374,020.03

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Solution

The fourth proportional to 660,500.02, 911,489.96 and 374,020.03 is: 516,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,500.02 : 911,489.96 = 374,020.03 : x
  2. Step 2: Convert to fraction form
    660,500.02/911,489.96 = 374,020.03/x
  3. Step 3: Cross multiply
    660,500.02x = 911,489.96 × 374,020.03
  4. Step 4: Simplify right side
    660,500.02x = 340,915,504,258.31
  5. Step 5: Solve for x
    x = 340,915,504,258.31/660,500.02
  6. Step 6: Final answer
    x = 516,147.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.