Home / 902,513.09-1,245,468.27-494,631.11

Finding the Fourth Proportional to 902,513.09, 1,245,468.27 and 494,631.11

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Solution

The fourth proportional to 902,513.09, 1,245,468.27 and 494,631.11 is: 682,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,513.09 : 1,245,468.27 = 494,631.11 : x
  2. Step 2: Convert to fraction form
    902,513.09/1,245,468.27 = 494,631.11/x
  3. Step 3: Cross multiply
    902,513.09x = 1,245,468.27 × 494,631.11
  4. Step 4: Simplify right side
    902,513.09x = 616,047,346,632.54
  5. Step 5: Solve for x
    x = 616,047,346,632.54/902,513.09
  6. Step 6: Final answer
    x = 682,591.04

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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.