Home / 998,353.89-1,496,450.97-398,655.68

Finding the Fourth Proportional to 998,353.89, 1,496,450.97 and 398,655.68

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Solution

The fourth proportional to 998,353.89, 1,496,450.97 and 398,655.68 is: 597,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,353.89 : 1,496,450.97 = 398,655.68 : x
  2. Step 2: Convert to fraction form
    998,353.89/1,496,450.97 = 398,655.68/x
  3. Step 3: Cross multiply
    998,353.89x = 1,496,450.97 × 398,655.68
  4. Step 4: Simplify right side
    998,353.89x = 596,568,671,549.76
  5. Step 5: Solve for x
    x = 596,568,671,549.76/998,353.89
  6. Step 6: Final answer
    x = 597,552.31

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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.