Home / 916,786.06-1,265,029.88-508,891.02

Finding the Fourth Proportional to 916,786.06, 1,265,029.88 and 508,891.02

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Solution

The fourth proportional to 916,786.06, 1,265,029.88 and 508,891.02 is: 702,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,786.06 : 1,265,029.88 = 508,891.02 : x
  2. Step 2: Convert to fraction form
    916,786.06/1,265,029.88 = 508,891.02/x
  3. Step 3: Cross multiply
    916,786.06x = 1,265,029.88 × 508,891.02
  4. Step 4: Simplify right side
    916,786.06x = 643,762,345,963.68
  5. Step 5: Solve for x
    x = 643,762,345,963.68/916,786.06
  6. Step 6: Final answer
    x = 702,194.74

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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.