Home / 530,727.20-796,090.80-320,775.20

Finding the Fourth Proportional to 530,727.20, 796,090.80 and 320,775.20

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Solution

The fourth proportional to 530,727.20, 796,090.80 and 320,775.20 is: 481,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,727.20 : 796,090.80 = 320,775.20 : x
  2. Step 2: Convert to fraction form
    530,727.20/796,090.80 = 320,775.20/x
  3. Step 3: Cross multiply
    530,727.20x = 796,090.80 × 320,775.20
  4. Step 4: Simplify right side
    530,727.20x = 255,366,185,588.16
  5. Step 5: Solve for x
    x = 255,366,185,588.16/530,727.20
  6. Step 6: Final answer
    x = 481,162.80

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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.