Home / 743,874.98-1,116,287.67-270,515.30

Finding the Fourth Proportional to 743,874.98, 1,116,287.67 and 270,515.30

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Solution

The fourth proportional to 743,874.98, 1,116,287.67 and 270,515.30 is: 405,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,874.98 : 1,116,287.67 = 270,515.30 : x
  2. Step 2: Convert to fraction form
    743,874.98/1,116,287.67 = 270,515.30/x
  3. Step 3: Cross multiply
    743,874.98x = 1,116,287.67 × 270,515.30
  4. Step 4: Simplify right side
    743,874.98x = 301,972,893,936.35
  5. Step 5: Solve for x
    x = 301,972,893,936.35/743,874.98
  6. Step 6: Final answer
    x = 405,945.76

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Double scale
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Similar ratio
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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.