Home / 662,932.60-993,742.80-325,697.20

Finding the Fourth Proportional to 662,932.60, 993,742.80 and 325,697.20

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Solution

The fourth proportional to 662,932.60, 993,742.80 and 325,697.20 is: 488,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,932.60 : 993,742.80 = 325,697.20 : x
  2. Step 2: Convert to fraction form
    662,932.60/993,742.80 = 325,697.20/x
  3. Step 3: Cross multiply
    662,932.60x = 993,742.80 × 325,697.20
  4. Step 4: Simplify right side
    662,932.60x = 323,659,247,480.16
  5. Step 5: Solve for x
    x = 323,659,247,480.16/662,932.60
  6. Step 6: Final answer
    x = 488,223.46

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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.