Home / 740,517.39-1,110,819.02-208,079.69

Finding the Fourth Proportional to 740,517.39, 1,110,819.02 and 208,079.69

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Solution

The fourth proportional to 740,517.39, 1,110,819.02 and 208,079.69 is: 312,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,517.39 : 1,110,819.02 = 208,079.69 : x
  2. Step 2: Convert to fraction form
    740,517.39/1,110,819.02 = 208,079.69/x
  3. Step 3: Cross multiply
    740,517.39x = 1,110,819.02 × 208,079.69
  4. Step 4: Simplify right side
    740,517.39x = 231,138,870,733.21
  5. Step 5: Solve for x
    x = 231,138,870,733.21/740,517.39
  6. Step 6: Final answer
    x = 312,131.59

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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.