Home / 669,091.20-1,003,345.20-269,599.20

Finding the Fourth Proportional to 669,091.20, 1,003,345.20 and 269,599.20

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Solution

The fourth proportional to 669,091.20, 1,003,345.20 and 269,599.20 is: 404,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,091.20 : 1,003,345.20 = 269,599.20 : x
  2. Step 2: Convert to fraction form
    669,091.20/1,003,345.20 = 269,599.20/x
  3. Step 3: Cross multiply
    669,091.20x = 1,003,345.20 × 269,599.20
  4. Step 4: Simplify right side
    669,091.20x = 270,501,063,243.84
  5. Step 5: Solve for x
    x = 270,501,063,243.84/669,091.20
  6. Step 6: Final answer
    x = 404,281.30

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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.