Home / 831,596.81-1,247,549.07-263,121.02

Finding the Fourth Proportional to 831,596.81, 1,247,549.07 and 263,121.02

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Solution

The fourth proportional to 831,596.81, 1,247,549.07 and 263,121.02 is: 394,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,596.81 : 1,247,549.07 = 263,121.02 : x
  2. Step 2: Convert to fraction form
    831,596.81/1,247,549.07 = 263,121.02/x
  3. Step 3: Cross multiply
    831,596.81x = 1,247,549.07 × 263,121.02
  4. Step 4: Simplify right side
    831,596.81x = 328,256,383,225.72
  5. Step 5: Solve for x
    x = 328,256,383,225.72/831,596.81
  6. Step 6: Final answer
    x = 394,730.21

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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.