Home / 938,347.96-1,294,885.52-508,618.88

Finding the Fourth Proportional to 938,347.96, 1,294,885.52 and 508,618.88

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Solution

The fourth proportional to 938,347.96, 1,294,885.52 and 508,618.88 is: 701,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,347.96 : 1,294,885.52 = 508,618.88 : x
  2. Step 2: Convert to fraction form
    938,347.96/1,294,885.52 = 508,618.88/x
  3. Step 3: Cross multiply
    938,347.96x = 1,294,885.52 × 508,618.88
  4. Step 4: Simplify right side
    938,347.96x = 658,603,222,910.62
  5. Step 5: Solve for x
    x = 658,603,222,910.62/938,347.96
  6. Step 6: Final answer
    x = 701,875.26

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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.