Home / 804,970.58-1,206,705.45-272,118.97

Finding the Fourth Proportional to 804,970.58, 1,206,705.45 and 272,118.97

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Solution

The fourth proportional to 804,970.58, 1,206,705.45 and 272,118.97 is: 407,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,970.58 : 1,206,705.45 = 272,118.97 : x
  2. Step 2: Convert to fraction form
    804,970.58/1,206,705.45 = 272,118.97/x
  3. Step 3: Cross multiply
    804,970.58x = 1,206,705.45 × 272,118.97
  4. Step 4: Simplify right side
    804,970.58x = 328,367,444,147.39
  5. Step 5: Solve for x
    x = 328,367,444,147.39/804,970.58
  6. Step 6: Final answer
    x = 407,924.78

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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.