Home / 999,795.67-1,499,849.03-325,720.05

Finding the Fourth Proportional to 999,795.67, 1,499,849.03 and 325,720.05

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Solution

The fourth proportional to 999,795.67, 1,499,849.03 and 325,720.05 is: 488,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,795.67 : 1,499,849.03 = 325,720.05 : x
  2. Step 2: Convert to fraction form
    999,795.67/1,499,849.03 = 325,720.05/x
  3. Step 3: Cross multiply
    999,795.67x = 1,499,849.03 × 325,720.05
  4. Step 4: Simplify right side
    999,795.67x = 488,530,899,415.45
  5. Step 5: Solve for x
    x = 488,530,899,415.45/999,795.67
  6. Step 6: Final answer
    x = 488,630.74

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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.