Home / 699,239.32-1,049,905.86-400,057.24

Finding the Fourth Proportional to 699,239.32, 1,049,905.86 and 400,057.24

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Solution

The fourth proportional to 699,239.32, 1,049,905.86 and 400,057.24 is: 600,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,239.32 : 1,049,905.86 = 400,057.24 : x
  2. Step 2: Convert to fraction form
    699,239.32/1,049,905.86 = 400,057.24/x
  3. Step 3: Cross multiply
    699,239.32x = 1,049,905.86 × 400,057.24
  4. Step 4: Simplify right side
    699,239.32x = 420,022,440,611.43
  5. Step 5: Solve for x
    x = 420,022,440,611.43/699,239.32
  6. Step 6: Final answer
    x = 600,684.81

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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.