Home / 985,016.43-1,477,515.47-275,043.33

Finding the Fourth Proportional to 985,016.43, 1,477,515.47 and 275,043.33

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Solution

The fourth proportional to 985,016.43, 1,477,515.47 and 275,043.33 is: 412,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,016.43 : 1,477,515.47 = 275,043.33 : x
  2. Step 2: Convert to fraction form
    985,016.43/1,477,515.47 = 275,043.33/x
  3. Step 3: Cross multiply
    985,016.43x = 1,477,515.47 × 275,043.33
  4. Step 4: Simplify right side
    985,016.43x = 406,380,773,620.10
  5. Step 5: Solve for x
    x = 406,380,773,620.10/985,016.43
  6. Step 6: Final answer
    x = 412,562.43

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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.