Home / 748,833.65-1,124,246.95-394,096.78

Finding the Fourth Proportional to 748,833.65, 1,124,246.95 and 394,096.78

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Solution

The fourth proportional to 748,833.65, 1,124,246.95 and 394,096.78 is: 591,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,833.65 : 1,124,246.95 = 394,096.78 : x
  2. Step 2: Convert to fraction form
    748,833.65/1,124,246.95 = 394,096.78/x
  3. Step 3: Cross multiply
    748,833.65x = 1,124,246.95 × 394,096.78
  4. Step 4: Simplify right side
    748,833.65x = 443,062,100,949.34
  5. Step 5: Solve for x
    x = 443,062,100,949.34/748,833.65
  6. Step 6: Final answer
    x = 591,669.59

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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.