Home / 991,633.23-1,487,450.16-271,982.43

Finding the Fourth Proportional to 991,633.23, 1,487,450.16 and 271,982.43

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Solution

The fourth proportional to 991,633.23, 1,487,450.16 and 271,982.43 is: 407,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,633.23 : 1,487,450.16 = 271,982.43 : x
  2. Step 2: Convert to fraction form
    991,633.23/1,487,450.16 = 271,982.43/x
  3. Step 3: Cross multiply
    991,633.23x = 1,487,450.16 × 271,982.43
  4. Step 4: Simplify right side
    991,633.23x = 404,560,309,020.69
  5. Step 5: Solve for x
    x = 404,560,309,020.69/991,633.23
  6. Step 6: Final answer
    x = 407,973.73

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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.