Home / 720,205.10-1,080,538.34-504,288.66

Finding the Fourth Proportional to 720,205.10, 1,080,538.34 and 504,288.66

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Solution

The fourth proportional to 720,205.10, 1,080,538.34 and 504,288.66 is: 756,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,205.10 : 1,080,538.34 = 504,288.66 : x
  2. Step 2: Convert to fraction form
    720,205.10/1,080,538.34 = 504,288.66/x
  3. Step 3: Cross multiply
    720,205.10x = 1,080,538.34 × 504,288.66
  4. Step 4: Simplify right side
    720,205.10x = 544,903,231,557.22
  5. Step 5: Solve for x
    x = 544,903,231,557.22/720,205.10
  6. Step 6: Final answer
    x = 756,594.52

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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.