Home / 807,902.08-1,211,883.96-302,409.88

Finding the Fourth Proportional to 807,902.08, 1,211,883.96 and 302,409.88

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Solution

The fourth proportional to 807,902.08, 1,211,883.96 and 302,409.88 is: 453,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,902.08 : 1,211,883.96 = 302,409.88 : x
  2. Step 2: Convert to fraction form
    807,902.08/1,211,883.96 = 302,409.88/x
  3. Step 3: Cross multiply
    807,902.08x = 1,211,883.96 × 302,409.88
  4. Step 4: Simplify right side
    807,902.08x = 366,485,682,917.53
  5. Step 5: Solve for x
    x = 366,485,682,917.53/807,902.08
  6. Step 6: Final answer
    x = 453,626.36

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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.