Home / 694,870.20-1,042,650.90-274,159.80

Finding the Fourth Proportional to 694,870.20, 1,042,650.90 and 274,159.80

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Solution

The fourth proportional to 694,870.20, 1,042,650.90 and 274,159.80 is: 411,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,870.20 : 1,042,650.90 = 274,159.80 : x
  2. Step 2: Convert to fraction form
    694,870.20/1,042,650.90 = 274,159.80/x
  3. Step 3: Cross multiply
    694,870.20x = 1,042,650.90 × 274,159.80
  4. Step 4: Simplify right side
    694,870.20x = 285,852,962,213.82
  5. Step 5: Solve for x
    x = 285,852,962,213.82/694,870.20
  6. Step 6: Final answer
    x = 411,376.06

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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.