Home / 938,349.61-1,294,887.76-508,620.51

Finding the Fourth Proportional to 938,349.61, 1,294,887.76 and 508,620.51

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Solution

The fourth proportional to 938,349.61, 1,294,887.76 and 508,620.51 is: 701,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,349.61 : 1,294,887.76 = 508,620.51 : x
  2. Step 2: Convert to fraction form
    938,349.61/1,294,887.76 = 508,620.51/x
  3. Step 3: Cross multiply
    938,349.61x = 1,294,887.76 × 508,620.51
  4. Step 4: Simplify right side
    938,349.61x = 658,606,472,883.96
  5. Step 5: Solve for x
    x = 658,606,472,883.96/938,349.61
  6. Step 6: Final answer
    x = 701,877.49

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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.