Home / 821,368.14-1,229,054.79-484,570.14

Finding the Fourth Proportional to 821,368.14, 1,229,054.79 and 484,570.14

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Solution

The fourth proportional to 821,368.14, 1,229,054.79 and 484,570.14 is: 725,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,368.14 : 1,229,054.79 = 484,570.14 : x
  2. Step 2: Convert to fraction form
    821,368.14/1,229,054.79 = 484,570.14/x
  3. Step 3: Cross multiply
    821,368.14x = 1,229,054.79 × 484,570.14
  4. Step 4: Simplify right side
    821,368.14x = 595,563,251,657.97
  5. Step 5: Solve for x
    x = 595,563,251,657.97/821,368.14
  6. Step 6: Final answer
    x = 725,086.87

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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.