Home / 905,969.28-1,358,954.16-266,273.04

Finding the Fourth Proportional to 905,969.28, 1,358,954.16 and 266,273.04

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Solution

The fourth proportional to 905,969.28, 1,358,954.16 and 266,273.04 is: 399,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,969.28 : 1,358,954.16 = 266,273.04 : x
  2. Step 2: Convert to fraction form
    905,969.28/1,358,954.16 = 266,273.04/x
  3. Step 3: Cross multiply
    905,969.28x = 1,358,954.16 × 266,273.04
  4. Step 4: Simplify right side
    905,969.28x = 361,852,855,403.85
  5. Step 5: Solve for x
    x = 361,852,855,403.85/905,969.28
  6. Step 6: Final answer
    x = 399,409.63

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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.