Home / 998,360.64-1,496,460.96-398,662.56

Finding the Fourth Proportional to 998,360.64, 1,496,460.96 and 398,662.56

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Solution

The fourth proportional to 998,360.64, 1,496,460.96 and 398,662.56 is: 597,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,360.64 : 1,496,460.96 = 398,662.56 : x
  2. Step 2: Convert to fraction form
    998,360.64/1,496,460.96 = 398,662.56/x
  3. Step 3: Cross multiply
    998,360.64x = 1,496,460.96 × 398,662.56
  4. Step 4: Simplify right side
    998,360.64x = 596,582,957,253.66
  5. Step 5: Solve for x
    x = 596,582,957,253.66/998,360.64
  6. Step 6: Final answer
    x = 597,562.58

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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.