Home / 998,076.10-1,497,308.55-288,127.30

Finding the Fourth Proportional to 998,076.10, 1,497,308.55 and 288,127.30

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Solution

The fourth proportional to 998,076.10, 1,497,308.55 and 288,127.30 is: 432,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,076.10 : 1,497,308.55 = 288,127.30 : x
  2. Step 2: Convert to fraction form
    998,076.10/1,497,308.55 = 288,127.30/x
  3. Step 3: Cross multiply
    998,076.10x = 1,497,308.55 × 288,127.30
  4. Step 4: Simplify right side
    998,076.10x = 431,415,469,778.42
  5. Step 5: Solve for x
    x = 431,415,469,778.42/998,076.10
  6. Step 6: Final answer
    x = 432,247.07

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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.