Home / 863,136.19-1,294,708.38-264,096.39

Finding the Fourth Proportional to 863,136.19, 1,294,708.38 and 264,096.39

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Solution

The fourth proportional to 863,136.19, 1,294,708.38 and 264,096.39 is: 396,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,136.19 : 1,294,708.38 = 264,096.39 : x
  2. Step 2: Convert to fraction form
    863,136.19/1,294,708.38 = 264,096.39/x
  3. Step 3: Cross multiply
    863,136.19x = 1,294,708.38 × 264,096.39
  4. Step 4: Simplify right side
    863,136.19x = 341,927,809,260.75
  5. Step 5: Solve for x
    x = 341,927,809,260.75/863,136.19
  6. Step 6: Final answer
    x = 396,145.84

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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.