Home / 804,997.80-1,207,496.70-724,818.60

Finding the Fourth Proportional to 804,997.80, 1,207,496.70 and 724,818.60

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Solution

The fourth proportional to 804,997.80, 1,207,496.70 and 724,818.60 is: 1,087,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,997.80 : 1,207,496.70 = 724,818.60 : x
  2. Step 2: Convert to fraction form
    804,997.80/1,207,496.70 = 724,818.60/x
  3. Step 3: Cross multiply
    804,997.80x = 1,207,496.70 × 724,818.60
  4. Step 4: Simplify right side
    804,997.80x = 875,216,067,598.62
  5. Step 5: Solve for x
    x = 875,216,067,598.62/804,997.80
  6. Step 6: Final answer
    x = 1,087,227.90

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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.