Home / 807,510.82-1,211,453.64-275,036.44

Finding the Fourth Proportional to 807,510.82, 1,211,453.64 and 275,036.44

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Solution

The fourth proportional to 807,510.82, 1,211,453.64 and 275,036.44 is: 412,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,510.82 : 1,211,453.64 = 275,036.44 : x
  2. Step 2: Convert to fraction form
    807,510.82/1,211,453.64 = 275,036.44/x
  3. Step 3: Cross multiply
    807,510.82x = 1,211,453.64 × 275,036.44
  4. Step 4: Simplify right side
    807,510.82x = 333,193,896,370.64
  5. Step 5: Solve for x
    x = 333,193,896,370.64/807,510.82
  6. Step 6: Final answer
    x = 412,618.49

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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.