Home / 938,165.74-1,294,670.97-508,445.76

Finding the Fourth Proportional to 938,165.74, 1,294,670.97 and 508,445.76

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Solution

The fourth proportional to 938,165.74, 1,294,670.97 and 508,445.76 is: 701,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,165.74 : 1,294,670.97 = 508,445.76 : x
  2. Step 2: Convert to fraction form
    938,165.74/1,294,670.97 = 508,445.76/x
  3. Step 3: Cross multiply
    938,165.74x = 1,294,670.97 × 508,445.76
  4. Step 4: Simplify right side
    938,165.74x = 658,269,961,434.08
  5. Step 5: Solve for x
    x = 658,269,961,434.08/938,165.74
  6. Step 6: Final answer
    x = 701,656.36

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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.