Home / 884,989.76-1,221,274.44-502,991.36

Finding the Fourth Proportional to 884,989.76, 1,221,274.44 and 502,991.36

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Solution

The fourth proportional to 884,989.76, 1,221,274.44 and 502,991.36 is: 694,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,989.76 : 1,221,274.44 = 502,991.36 : x
  2. Step 2: Convert to fraction form
    884,989.76/1,221,274.44 = 502,991.36/x
  3. Step 3: Cross multiply
    884,989.76x = 1,221,274.44 × 502,991.36
  4. Step 4: Simplify right side
    884,989.76x = 614,290,491,508.84
  5. Step 5: Solve for x
    x = 614,290,491,508.84/884,989.76
  6. Step 6: Final answer
    x = 694,121.58

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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.