Home / 938,408.22-1,294,982.64-508,677.30

Finding the Fourth Proportional to 938,408.22, 1,294,982.64 and 508,677.30

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Solution

The fourth proportional to 938,408.22, 1,294,982.64 and 508,677.30 is: 701,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,408.22 : 1,294,982.64 = 508,677.30 : x
  2. Step 2: Convert to fraction form
    938,408.22/1,294,982.64 = 508,677.30/x
  3. Step 3: Cross multiply
    938,408.22x = 1,294,982.64 × 508,677.30
  4. Step 4: Simplify right side
    938,408.22x = 658,728,272,862.07
  5. Step 5: Solve for x
    x = 658,728,272,862.07/938,408.22
  6. Step 6: Final answer
    x = 701,963.45

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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.