Home / 680,998.80-1,021,498.20-444,802.80

Finding the Fourth Proportional to 680,998.80, 1,021,498.20 and 444,802.80

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Solution

The fourth proportional to 680,998.80, 1,021,498.20 and 444,802.80 is: 667,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,998.80 : 1,021,498.20 = 444,802.80 : x
  2. Step 2: Convert to fraction form
    680,998.80/1,021,498.20 = 444,802.80/x
  3. Step 3: Cross multiply
    680,998.80x = 1,021,498.20 × 444,802.80
  4. Step 4: Simplify right side
    680,998.80x = 454,365,259,554.96
  5. Step 5: Solve for x
    x = 454,365,259,554.96/680,998.80
  6. Step 6: Final answer
    x = 667,204.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.