Home / 703,884.42-1,053,209.97-419,729.33

Finding the Fourth Proportional to 703,884.42, 1,053,209.97 and 419,729.33

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Solution

The fourth proportional to 703,884.42, 1,053,209.97 and 419,729.33 is: 628,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,884.42 : 1,053,209.97 = 419,729.33 : x
  2. Step 2: Convert to fraction form
    703,884.42/1,053,209.97 = 419,729.33/x
  3. Step 3: Cross multiply
    703,884.42x = 1,053,209.97 × 419,729.33
  4. Step 4: Simplify right side
    703,884.42x = 442,063,115,057.42
  5. Step 5: Solve for x
    x = 442,063,115,057.42/703,884.42
  6. Step 6: Final answer
    x = 628,033.67

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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.