Home / 902,509.11-1,245,434.37-494,603.54

Finding the Fourth Proportional to 902,509.11, 1,245,434.37 and 494,603.54

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Solution

The fourth proportional to 902,509.11, 1,245,434.37 and 494,603.54 is: 682,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,509.11 : 1,245,434.37 = 494,603.54 : x
  2. Step 2: Convert to fraction form
    902,509.11/1,245,434.37 = 494,603.54/x
  3. Step 3: Cross multiply
    902,509.11x = 1,245,434.37 × 494,603.54
  4. Step 4: Simplify right side
    902,509.11x = 615,996,242,012.50
  5. Step 5: Solve for x
    x = 615,996,242,012.50/902,509.11
  6. Step 6: Final answer
    x = 682,537.42

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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.