Home / 938,119.78-1,294,603.32-508,410.46

Finding the Fourth Proportional to 938,119.78, 1,294,603.32 and 508,410.46

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Solution

The fourth proportional to 938,119.78, 1,294,603.32 and 508,410.46 is: 701,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,119.78 : 1,294,603.32 = 508,410.46 : x
  2. Step 2: Convert to fraction form
    938,119.78/1,294,603.32 = 508,410.46/x
  3. Step 3: Cross multiply
    938,119.78x = 1,294,603.32 × 508,410.46
  4. Step 4: Simplify right side
    938,119.78x = 658,189,869,438.73
  5. Step 5: Solve for x
    x = 658,189,869,438.73/938,119.78
  6. Step 6: Final answer
    x = 701,605.36

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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.