Home / 807,694.18-1,211,541.27-274,940.98

Finding the Fourth Proportional to 807,694.18, 1,211,541.27 and 274,940.98

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Solution

The fourth proportional to 807,694.18, 1,211,541.27 and 274,940.98 is: 412,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,694.18 : 1,211,541.27 = 274,940.98 : x
  2. Step 2: Convert to fraction form
    807,694.18/1,211,541.27 = 274,940.98/x
  3. Step 3: Cross multiply
    807,694.18x = 1,211,541.27 × 274,940.98
  4. Step 4: Simplify right side
    807,694.18x = 333,102,344,084.25
  5. Step 5: Solve for x
    x = 333,102,344,084.25/807,694.18
  6. Step 6: Final answer
    x = 412,411.47

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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.