Home / 739,408.06-1,109,112.27-207,007.51

Finding the Fourth Proportional to 739,408.06, 1,109,112.27 and 207,007.51

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Solution

The fourth proportional to 739,408.06, 1,109,112.27 and 207,007.51 is: 310,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,408.06 : 1,109,112.27 = 207,007.51 : x
  2. Step 2: Convert to fraction form
    739,408.06/1,109,112.27 = 207,007.51/x
  3. Step 3: Cross multiply
    739,408.06x = 1,109,112.27 × 207,007.51
  4. Step 4: Simplify right side
    739,408.06x = 229,594,569,323.15
  5. Step 5: Solve for x
    x = 229,594,569,323.15/739,408.06
  6. Step 6: Final answer
    x = 310,511.32

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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.