Home / 673,990.31-1,010,704.38-274,359.80

Finding the Fourth Proportional to 673,990.31, 1,010,704.38 and 274,359.80

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Solution

The fourth proportional to 673,990.31, 1,010,704.38 and 274,359.80 is: 411,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,990.31 : 1,010,704.38 = 274,359.80 : x
  2. Step 2: Convert to fraction form
    673,990.31/1,010,704.38 = 274,359.80/x
  3. Step 3: Cross multiply
    673,990.31x = 1,010,704.38 × 274,359.80
  4. Step 4: Simplify right side
    673,990.31x = 277,296,646,502.40
  5. Step 5: Solve for x
    x = 277,296,646,502.40/673,990.31
  6. Step 6: Final answer
    x = 411,425.27

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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.