Home / 998,105.72-1,497,587.47-324,393.48

Finding the Fourth Proportional to 998,105.72, 1,497,587.47 and 324,393.48

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Solution

The fourth proportional to 998,105.72, 1,497,587.47 and 324,393.48 is: 486,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,105.72 : 1,497,587.47 = 324,393.48 : x
  2. Step 2: Convert to fraction form
    998,105.72/1,497,587.47 = 324,393.48/x
  3. Step 3: Cross multiply
    998,105.72x = 1,497,587.47 × 324,393.48
  4. Step 4: Simplify right side
    998,105.72x = 485,807,610,186.71
  5. Step 5: Solve for x
    x = 485,807,610,186.71/998,105.72
  6. Step 6: Final answer
    x = 486,729.61

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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.