Home / 694,857.70-1,042,632.15-274,147.30

Finding the Fourth Proportional to 694,857.70, 1,042,632.15 and 274,147.30

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Solution

The fourth proportional to 694,857.70, 1,042,632.15 and 274,147.30 is: 411,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,857.70 : 1,042,632.15 = 274,147.30 : x
  2. Step 2: Convert to fraction form
    694,857.70/1,042,632.15 = 274,147.30/x
  3. Step 3: Cross multiply
    694,857.70x = 1,042,632.15 × 274,147.30
  4. Step 4: Simplify right side
    694,857.70x = 285,834,788,815.70
  5. Step 5: Solve for x
    x = 285,834,788,815.70/694,857.70
  6. Step 6: Final answer
    x = 411,357.30

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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.