Home / 873,796.47-1,311,009.09-305,261.22

Finding the Fourth Proportional to 873,796.47, 1,311,009.09 and 305,261.22

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Solution

The fourth proportional to 873,796.47, 1,311,009.09 and 305,261.22 is: 458,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,796.47 : 1,311,009.09 = 305,261.22 : x
  2. Step 2: Convert to fraction form
    873,796.47/1,311,009.09 = 305,261.22/x
  3. Step 3: Cross multiply
    873,796.47x = 1,311,009.09 × 305,261.22
  4. Step 4: Simplify right side
    873,796.47x = 400,200,234,244.49
  5. Step 5: Solve for x
    x = 400,200,234,244.49/873,796.47
  6. Step 6: Final answer
    x = 458,001.66

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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.