Home / 726,236.80-1,088,059.20-351,433.60

Finding the Fourth Proportional to 726,236.80, 1,088,059.20 and 351,433.60

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Solution

The fourth proportional to 726,236.80, 1,088,059.20 and 351,433.60 is: 526,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,236.80 : 1,088,059.20 = 351,433.60 : x
  2. Step 2: Convert to fraction form
    726,236.80/1,088,059.20 = 351,433.60/x
  3. Step 3: Cross multiply
    726,236.80x = 1,088,059.20 × 351,433.60
  4. Step 4: Simplify right side
    726,236.80x = 382,380,561,669.12
  5. Step 5: Solve for x
    x = 382,380,561,669.12/726,236.80
  6. Step 6: Final answer
    x = 526,523.25

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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.