Home / 831,597.47-1,247,550.06-263,121.66

Finding the Fourth Proportional to 831,597.47, 1,247,550.06 and 263,121.66

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Solution

The fourth proportional to 831,597.47, 1,247,550.06 and 263,121.66 is: 394,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,597.47 : 1,247,550.06 = 263,121.66 : x
  2. Step 2: Convert to fraction form
    831,597.47/1,247,550.06 = 263,121.66/x
  3. Step 3: Cross multiply
    831,597.47x = 1,247,550.06 × 263,121.66
  4. Step 4: Simplify right side
    831,597.47x = 328,257,442,720.30
  5. Step 5: Solve for x
    x = 328,257,442,720.30/831,597.47
  6. Step 6: Final answer
    x = 394,731.17

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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.