Home / 662,923.60-993,729.30-325,688.20

Finding the Fourth Proportional to 662,923.60, 993,729.30 and 325,688.20

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Solution

The fourth proportional to 662,923.60, 993,729.30 and 325,688.20 is: 488,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,923.60 : 993,729.30 = 325,688.20 : x
  2. Step 2: Convert to fraction form
    662,923.60/993,729.30 = 325,688.20/x
  3. Step 3: Cross multiply
    662,923.60x = 993,729.30 × 325,688.20
  4. Step 4: Simplify right side
    662,923.60x = 323,645,907,004.26
  5. Step 5: Solve for x
    x = 323,645,907,004.26/662,923.60
  6. Step 6: Final answer
    x = 488,209.96

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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.