Home / 725,727.80-1,088,464.40-276,475.62

Finding the Fourth Proportional to 725,727.80, 1,088,464.40 and 276,475.62

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Solution

The fourth proportional to 725,727.80, 1,088,464.40 and 276,475.62 is: 414,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,727.80 : 1,088,464.40 = 276,475.62 : x
  2. Step 2: Convert to fraction form
    725,727.80/1,088,464.40 = 276,475.62/x
  3. Step 3: Cross multiply
    725,727.80x = 1,088,464.40 × 276,475.62
  4. Step 4: Simplify right side
    725,727.80x = 300,933,868,455.55
  5. Step 5: Solve for x
    x = 300,933,868,455.55/725,727.80
  6. Step 6: Final answer
    x = 414,664.93

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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.