Home / 684,284.44-1,026,427.20-185,648.44

Finding the Fourth Proportional to 684,284.44, 1,026,427.20 and 185,648.44

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Solution

The fourth proportional to 684,284.44, 1,026,427.20 and 185,648.44 is: 278,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,284.44 : 1,026,427.20 = 185,648.44 : x
  2. Step 2: Convert to fraction form
    684,284.44/1,026,427.20 = 185,648.44/x
  3. Step 3: Cross multiply
    684,284.44x = 1,026,427.20 × 185,648.44
  4. Step 4: Simplify right side
    684,284.44x = 190,554,608,453.57
  5. Step 5: Solve for x
    x = 190,554,608,453.57/684,284.44
  6. Step 6: Final answer
    x = 278,472.81

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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.