Home / 998,103.80-1,497,374.40-324,070.40

Finding the Fourth Proportional to 998,103.80, 1,497,374.40 and 324,070.40

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Solution

The fourth proportional to 998,103.80, 1,497,374.40 and 324,070.40 is: 486,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,103.80 : 1,497,374.40 = 324,070.40 : x
  2. Step 2: Convert to fraction form
    998,103.80/1,497,374.40 = 324,070.40/x
  3. Step 3: Cross multiply
    998,103.80x = 1,497,374.40 × 324,070.40
  4. Step 4: Simplify right side
    998,103.80x = 485,254,720,757.76
  5. Step 5: Solve for x
    x = 485,254,720,757.76/998,103.80
  6. Step 6: Final answer
    x = 486,176.61

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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.