Home / 728,892.12-1,093,415.94-308,210.52

Finding the Fourth Proportional to 728,892.12, 1,093,415.94 and 308,210.52

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Solution

The fourth proportional to 728,892.12, 1,093,415.94 and 308,210.52 is: 462,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,892.12 : 1,093,415.94 = 308,210.52 : x
  2. Step 2: Convert to fraction form
    728,892.12/1,093,415.94 = 308,210.52/x
  3. Step 3: Cross multiply
    728,892.12x = 1,093,415.94 × 308,210.52
  4. Step 4: Simplify right side
    728,892.12x = 337,002,295,443.69
  5. Step 5: Solve for x
    x = 337,002,295,443.69/728,892.12
  6. Step 6: Final answer
    x = 462,348.66

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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.