Home / 804,973.69-1,207,448.22-205,929.78

Finding the Fourth Proportional to 804,973.69, 1,207,448.22 and 205,929.78

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Solution

The fourth proportional to 804,973.69, 1,207,448.22 and 205,929.78 is: 308,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,973.69 : 1,207,448.22 = 205,929.78 : x
  2. Step 2: Convert to fraction form
    804,973.69/1,207,448.22 = 205,929.78/x
  3. Step 3: Cross multiply
    804,973.69x = 1,207,448.22 × 205,929.78
  4. Step 4: Simplify right side
    804,973.69x = 248,649,546,305.99
  5. Step 5: Solve for x
    x = 248,649,546,305.99/804,973.69
  6. Step 6: Final answer
    x = 308,891.52

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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.