Home / 938,499.69-1,295,139.77-551,331.43

Finding the Fourth Proportional to 938,499.69, 1,295,139.77 and 551,331.43

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Solution

The fourth proportional to 938,499.69, 1,295,139.77 and 551,331.43 is: 760,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,499.69 : 1,295,139.77 = 551,331.43 : x
  2. Step 2: Convert to fraction form
    938,499.69/1,295,139.77 = 551,331.43/x
  3. Step 3: Cross multiply
    938,499.69x = 1,295,139.77 × 551,331.43
  4. Step 4: Simplify right side
    938,499.69x = 714,051,261,443.97
  5. Step 5: Solve for x
    x = 714,051,261,443.97/938,499.69
  6. Step 6: Final answer
    x = 760,843.36

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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.