Home / 807,499.80-1,211,437.09-275,025.44

Finding the Fourth Proportional to 807,499.80, 1,211,437.09 and 275,025.44

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Solution

The fourth proportional to 807,499.80, 1,211,437.09 and 275,025.44 is: 412,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,499.80 : 1,211,437.09 = 275,025.44 : x
  2. Step 2: Convert to fraction form
    807,499.80/1,211,437.09 = 275,025.44/x
  3. Step 3: Cross multiply
    807,499.80x = 1,211,437.09 × 275,025.44
  4. Step 4: Simplify right side
    807,499.80x = 333,176,012,652.38
  5. Step 5: Solve for x
    x = 333,176,012,652.38/807,499.80
  6. Step 6: Final answer
    x = 412,601.98

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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.