Home / 998,891.27-1,497,871.07-518,990.06

Finding the Fourth Proportional to 998,891.27, 1,497,871.07 and 518,990.06

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Solution

The fourth proportional to 998,891.27, 1,497,871.07 and 518,990.06 is: 778,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,891.27 : 1,497,871.07 = 518,990.06 : x
  2. Step 2: Convert to fraction form
    998,891.27/1,497,871.07 = 518,990.06/x
  3. Step 3: Cross multiply
    998,891.27x = 1,497,871.07 × 518,990.06
  4. Step 4: Simplify right side
    998,891.27x = 777,380,186,407.26
  5. Step 5: Solve for x
    x = 777,380,186,407.26/998,891.27
  6. Step 6: Final answer
    x = 778,243.05

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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.