Home / 938,348.61-1,294,886.38-508,619.51

Finding the Fourth Proportional to 938,348.61, 1,294,886.38 and 508,619.51

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Solution

The fourth proportional to 938,348.61, 1,294,886.38 and 508,619.51 is: 701,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,348.61 : 1,294,886.38 = 508,619.51 : x
  2. Step 2: Convert to fraction form
    938,348.61/1,294,886.38 = 508,619.51/x
  3. Step 3: Cross multiply
    938,348.61x = 1,294,886.38 × 508,619.51
  4. Step 4: Simplify right side
    938,348.61x = 658,604,476,376.15
  5. Step 5: Solve for x
    x = 658,604,476,376.15/938,348.61
  6. Step 6: Final answer
    x = 701,876.12

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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.