Home / 669,071.20-1,003,315.20-269,579.20

Finding the Fourth Proportional to 669,071.20, 1,003,315.20 and 269,579.20

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Solution

The fourth proportional to 669,071.20, 1,003,315.20 and 269,579.20 is: 404,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,071.20 : 1,003,315.20 = 269,579.20 : x
  2. Step 2: Convert to fraction form
    669,071.20/1,003,315.20 = 269,579.20/x
  3. Step 3: Cross multiply
    669,071.20x = 1,003,315.20 × 269,579.20
  4. Step 4: Simplify right side
    669,071.20x = 270,472,908,963.84
  5. Step 5: Solve for x
    x = 270,472,908,963.84/669,071.20
  6. Step 6: Final answer
    x = 404,251.31

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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.