Home / 738,679.57-1,108,030.44-206,203.39

Finding the Fourth Proportional to 738,679.57, 1,108,030.44 and 206,203.39

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Solution

The fourth proportional to 738,679.57, 1,108,030.44 and 206,203.39 is: 309,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,679.57 : 1,108,030.44 = 206,203.39 : x
  2. Step 2: Convert to fraction form
    738,679.57/1,108,030.44 = 206,203.39/x
  3. Step 3: Cross multiply
    738,679.57x = 1,108,030.44 × 206,203.39
  4. Step 4: Simplify right side
    738,679.57x = 228,479,635,109.49
  5. Step 5: Solve for x
    x = 228,479,635,109.49/738,679.57
  6. Step 6: Final answer
    x = 309,308.18

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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.