Home / 807,506.81-1,211,447.61-275,032.43

Finding the Fourth Proportional to 807,506.81, 1,211,447.61 and 275,032.43

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Solution

The fourth proportional to 807,506.81, 1,211,447.61 and 275,032.43 is: 412,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,506.81 : 1,211,447.61 = 275,032.43 : x
  2. Step 2: Convert to fraction form
    807,506.81/1,211,447.61 = 275,032.43/x
  3. Step 3: Cross multiply
    807,506.81x = 1,211,447.61 × 275,032.43
  4. Step 4: Simplify right side
    807,506.81x = 333,187,379,995.99
  5. Step 5: Solve for x
    x = 333,187,379,995.99/807,506.81
  6. Step 6: Final answer
    x = 412,612.47

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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.