Home / 669,128.19-1,003,888.85-269,563.47

Finding the Fourth Proportional to 669,128.19, 1,003,888.85 and 269,563.47

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Solution

The fourth proportional to 669,128.19, 1,003,888.85 and 269,563.47 is: 404,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,128.19 : 1,003,888.85 = 269,563.47 : x
  2. Step 2: Convert to fraction form
    669,128.19/1,003,888.85 = 269,563.47/x
  3. Step 3: Cross multiply
    669,128.19x = 1,003,888.85 × 269,563.47
  4. Step 4: Simplify right side
    669,128.19x = 270,611,760,552.49
  5. Step 5: Solve for x
    x = 270,611,760,552.49/669,128.19
  6. Step 6: Final answer
    x = 404,424.39

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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.