Home / 902,785.23-1,245,835.76-494,909.73

Finding the Fourth Proportional to 902,785.23, 1,245,835.76 and 494,909.73

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Solution

The fourth proportional to 902,785.23, 1,245,835.76 and 494,909.73 is: 682,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,785.23 : 1,245,835.76 = 494,909.73 : x
  2. Step 2: Convert to fraction form
    902,785.23/1,245,835.76 = 494,909.73/x
  3. Step 3: Cross multiply
    902,785.23x = 1,245,835.76 × 494,909.73
  4. Step 4: Simplify right side
    902,785.23x = 616,576,237,131.40
  5. Step 5: Solve for x
    x = 616,576,237,131.40/902,785.23
  6. Step 6: Final answer
    x = 682,971.12

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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.