Home / 427,728.85-590,121.68-246,436.27

Finding the Fourth Proportional to 427,728.85, 590,121.68 and 246,436.27

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Solution

The fourth proportional to 427,728.85, 590,121.68 and 246,436.27 is: 339,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,728.85 : 590,121.68 = 246,436.27 : x
  2. Step 2: Convert to fraction form
    427,728.85/590,121.68 = 246,436.27/x
  3. Step 3: Cross multiply
    427,728.85x = 590,121.68 × 246,436.27
  4. Step 4: Simplify right side
    427,728.85x = 145,427,382,957.85
  5. Step 5: Solve for x
    x = 145,427,382,957.85/427,728.85
  6. Step 6: Final answer
    x = 339,999.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.