Home / 938,489.82-1,295,116.83-508,769.58

Finding the Fourth Proportional to 938,489.82, 1,295,116.83 and 508,769.58

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Solution

The fourth proportional to 938,489.82, 1,295,116.83 and 508,769.58 is: 702,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,489.82 : 1,295,116.83 = 508,769.58 : x
  2. Step 2: Convert to fraction form
    938,489.82/1,295,116.83 = 508,769.58/x
  3. Step 3: Cross multiply
    938,489.82x = 1,295,116.83 × 508,769.58
  4. Step 4: Simplify right side
    938,489.82x = 658,916,045,650.03
  5. Step 5: Solve for x
    x = 658,916,045,650.03/938,489.82
  6. Step 6: Final answer
    x = 702,102.50

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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.