Home / 902,329.26-1,245,160.71-494,349.90

Finding the Fourth Proportional to 902,329.26, 1,245,160.71 and 494,349.90

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Solution

The fourth proportional to 902,329.26, 1,245,160.71 and 494,349.90 is: 682,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,329.26 : 1,245,160.71 = 494,349.90 : x
  2. Step 2: Convert to fraction form
    902,329.26/1,245,160.71 = 494,349.90/x
  3. Step 3: Cross multiply
    902,329.26x = 1,245,160.71 × 494,349.90
  4. Step 4: Simplify right side
    902,329.26x = 615,545,072,472.43
  5. Step 5: Solve for x
    x = 615,545,072,472.43/902,329.26
  6. Step 6: Final answer
    x = 682,173.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.