Home / 876,727.31-1,315,100.50-308,124.59

Finding the Fourth Proportional to 876,727.31, 1,315,100.50 and 308,124.59

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Solution

The fourth proportional to 876,727.31, 1,315,100.50 and 308,124.59 is: 462,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,727.31 : 1,315,100.50 = 308,124.59 : x
  2. Step 2: Convert to fraction form
    876,727.31/1,315,100.50 = 308,124.59/x
  3. Step 3: Cross multiply
    876,727.31x = 1,315,100.50 × 308,124.59
  4. Step 4: Simplify right side
    876,727.31x = 405,214,795,025.48
  5. Step 5: Solve for x
    x = 405,214,795,025.48/876,727.31
  6. Step 6: Final answer
    x = 462,190.23

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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.