Home / 999,390.76-1,499,191.16-325,524.60

Finding the Fourth Proportional to 999,390.76, 1,499,191.16 and 325,524.60

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Solution

The fourth proportional to 999,390.76, 1,499,191.16 and 325,524.60 is: 488,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,390.76 : 1,499,191.16 = 325,524.60 : x
  2. Step 2: Convert to fraction form
    999,390.76/1,499,191.16 = 325,524.60/x
  3. Step 3: Cross multiply
    999,390.76x = 1,499,191.16 × 325,524.60
  4. Step 4: Simplify right side
    999,390.76x = 488,023,602,682.54
  5. Step 5: Solve for x
    x = 488,023,602,682.54/999,390.76
  6. Step 6: Final answer
    x = 488,321.11

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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.