Home / 938,238-1,294,761.15-508,507.08

Finding the Fourth Proportional to 938,238, 1,294,761.15 and 508,507.08

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Solution

The fourth proportional to 938,238, 1,294,761.15 and 508,507.08 is: 701,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,238 : 1,294,761.15 = 508,507.08 : x
  2. Step 2: Convert to fraction form
    938,238/1,294,761.15 = 508,507.08/x
  3. Step 3: Cross multiply
    938,238x = 1,294,761.15 × 508,507.08
  4. Step 4: Simplify right side
    938,238x = 658,395,211,683.94
  5. Step 5: Solve for x
    x = 658,395,211,683.94/938,238
  6. Step 6: Final answer
    x = 701,735.82

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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.