Home / 748,046.94-1,121,322.21-268,144.26

Finding the Fourth Proportional to 748,046.94, 1,121,322.21 and 268,144.26

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Solution

The fourth proportional to 748,046.94, 1,121,322.21 and 268,144.26 is: 401,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,046.94 : 1,121,322.21 = 268,144.26 : x
  2. Step 2: Convert to fraction form
    748,046.94/1,121,322.21 = 268,144.26/x
  3. Step 3: Cross multiply
    748,046.94x = 1,121,322.21 × 268,144.26
  4. Step 4: Simplify right side
    748,046.94x = 300,676,114,222.02
  5. Step 5: Solve for x
    x = 300,676,114,222.02/748,046.94
  6. Step 6: Final answer
    x = 401,948.19

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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.