Home / 998,125.56-1,496,743.62-287,984.82

Finding the Fourth Proportional to 998,125.56, 1,496,743.62 and 287,984.82

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Solution

The fourth proportional to 998,125.56, 1,496,743.62 and 287,984.82 is: 431,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,125.56 : 1,496,743.62 = 287,984.82 : x
  2. Step 2: Convert to fraction form
    998,125.56/1,496,743.62 = 287,984.82/x
  3. Step 3: Cross multiply
    998,125.56x = 1,496,743.62 × 287,984.82
  4. Step 4: Simplify right side
    998,125.56x = 431,039,441,991.85
  5. Step 5: Solve for x
    x = 431,039,441,991.85/998,125.56
  6. Step 6: Final answer
    x = 431,848.92

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1.5x scale

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.