Home / 740,817.09-1,111,109.76-235,311.57

Finding the Fourth Proportional to 740,817.09, 1,111,109.76 and 235,311.57

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Solution

The fourth proportional to 740,817.09, 1,111,109.76 and 235,311.57 is: 352,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,817.09 : 1,111,109.76 = 235,311.57 : x
  2. Step 2: Convert to fraction form
    740,817.09/1,111,109.76 = 235,311.57/x
  3. Step 3: Cross multiply
    740,817.09x = 1,111,109.76 × 235,311.57
  4. Step 4: Simplify right side
    740,817.09x = 261,456,982,067.92
  5. Step 5: Solve for x
    x = 261,456,982,067.92/740,817.09
  6. Step 6: Final answer
    x = 352,930.55

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Double scale
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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.