Home / 1,028,908.70-1,543,442.90-309,194.22

Finding the Fourth Proportional to 1,028,908.70, 1,543,442.90 and 309,194.22

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Solution

The fourth proportional to 1,028,908.70, 1,543,442.90 and 309,194.22 is: 463,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,908.70 : 1,543,442.90 = 309,194.22 : x
  2. Step 2: Convert to fraction form
    1,028,908.70/1,543,442.90 = 309,194.22/x
  3. Step 3: Cross multiply
    1,028,908.70x = 1,543,442.90 × 309,194.22
  4. Step 4: Simplify right side
    1,028,908.70x = 477,223,622,034.07
  5. Step 5: Solve for x
    x = 477,223,622,034.07/1,028,908.70
  6. Step 6: Final answer
    x = 463,815.33

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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.