Home / 938,181.26-1,294,692.38-508,461.28

Finding the Fourth Proportional to 938,181.26, 1,294,692.38 and 508,461.28

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Solution

The fourth proportional to 938,181.26, 1,294,692.38 and 508,461.28 is: 701,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,181.26 : 1,294,692.38 = 508,461.28 : x
  2. Step 2: Convert to fraction form
    938,181.26/1,294,692.38 = 508,461.28/x
  3. Step 3: Cross multiply
    938,181.26x = 1,294,692.38 × 508,461.28
  4. Step 4: Simplify right side
    938,181.26x = 658,300,944,741.05
  5. Step 5: Solve for x
    x = 658,300,944,741.05/938,181.26
  6. Step 6: Final answer
    x = 701,677.78

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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.