Home / 998,148.56-1,496,778.08-288,007.92

Finding the Fourth Proportional to 998,148.56, 1,496,778.08 and 288,007.92

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Solution

The fourth proportional to 998,148.56, 1,496,778.08 and 288,007.92 is: 431,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,148.56 : 1,496,778.08 = 288,007.92 : x
  2. Step 2: Convert to fraction form
    998,148.56/1,496,778.08 = 288,007.92/x
  3. Step 3: Cross multiply
    998,148.56x = 1,496,778.08 × 288,007.92
  4. Step 4: Simplify right side
    998,148.56x = 431,083,941,522.39
  5. Step 5: Solve for x
    x = 431,083,941,522.39/998,148.56
  6. Step 6: Final answer
    x = 431,883.55

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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.