Home / 938,118.78-1,294,601.94-508,409.46

Finding the Fourth Proportional to 938,118.78, 1,294,601.94 and 508,409.46

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Solution

The fourth proportional to 938,118.78, 1,294,601.94 and 508,409.46 is: 701,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,118.78 : 1,294,601.94 = 508,409.46 : x
  2. Step 2: Convert to fraction form
    938,118.78/1,294,601.94 = 508,409.46/x
  3. Step 3: Cross multiply
    938,118.78x = 1,294,601.94 × 508,409.46
  4. Step 4: Simplify right side
    938,118.78x = 658,187,873,230.35
  5. Step 5: Solve for x
    x = 658,187,873,230.35/938,118.78
  6. Step 6: Final answer
    x = 701,603.98

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Double scale
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1.5x scale

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.