Home / 804,307.39-1,206,460.11-205,268.61

Finding the Fourth Proportional to 804,307.39, 1,206,460.11 and 205,268.61

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Solution

The fourth proportional to 804,307.39, 1,206,460.11 and 205,268.61 is: 307,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,307.39 : 1,206,460.11 = 205,268.61 : x
  2. Step 2: Convert to fraction form
    804,307.39/1,206,460.11 = 205,268.61/x
  3. Step 3: Cross multiply
    804,307.39x = 1,206,460.11 × 205,268.61
  4. Step 4: Simplify right side
    804,307.39x = 247,648,389,800.15
  5. Step 5: Solve for x
    x = 247,648,389,800.15/804,307.39
  6. Step 6: Final answer
    x = 307,902.67

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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.