Home / 804,285.30-1,206,427.16-205,246.46

Finding the Fourth Proportional to 804,285.30, 1,206,427.16 and 205,246.46

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Solution

The fourth proportional to 804,285.30, 1,206,427.16 and 205,246.46 is: 307,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,285.30 : 1,206,427.16 = 205,246.46 : x
  2. Step 2: Convert to fraction form
    804,285.30/1,206,427.16 = 205,246.46/x
  3. Step 3: Cross multiply
    804,285.30x = 1,206,427.16 × 205,246.46
  4. Step 4: Simplify right side
    804,285.30x = 247,614,903,837.85
  5. Step 5: Solve for x
    x = 247,614,903,837.85/804,285.30
  6. Step 6: Final answer
    x = 307,869.49

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Double scale
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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.