Home / 998,085.16-1,497,364.62-324,168.76

Finding the Fourth Proportional to 998,085.16, 1,497,364.62 and 324,168.76

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Solution

The fourth proportional to 998,085.16, 1,497,364.62 and 324,168.76 is: 486,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,085.16 : 1,497,364.62 = 324,168.76 : x
  2. Step 2: Convert to fraction form
    998,085.16/1,497,364.62 = 324,168.76/x
  3. Step 3: Cross multiply
    998,085.16x = 1,497,364.62 × 324,168.76
  4. Step 4: Simplify right side
    998,085.16x = 485,398,832,133.27
  5. Step 5: Solve for x
    x = 485,398,832,133.27/998,085.16
  6. Step 6: Final answer
    x = 486,330.08

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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.