Home / 669,245.20-1,003,090.20-269,688.40

Finding the Fourth Proportional to 669,245.20, 1,003,090.20 and 269,688.40

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Solution

The fourth proportional to 669,245.20, 1,003,090.20 and 269,688.40 is: 404,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,245.20 : 1,003,090.20 = 269,688.40 : x
  2. Step 2: Convert to fraction form
    669,245.20/1,003,090.20 = 269,688.40/x
  3. Step 3: Cross multiply
    669,245.20x = 1,003,090.20 × 269,688.40
  4. Step 4: Simplify right side
    669,245.20x = 270,521,791,093.68
  5. Step 5: Solve for x
    x = 270,521,791,093.68/669,245.20
  6. Step 6: Final answer
    x = 404,219.25

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1.5x scale

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.