Home / 558,921.36-771,287.28-304,273.44

Finding the Fourth Proportional to 558,921.36, 771,287.28 and 304,273.44

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Solution

The fourth proportional to 558,921.36, 771,287.28 and 304,273.44 is: 419,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,921.36 : 771,287.28 = 304,273.44 : x
  2. Step 2: Convert to fraction form
    558,921.36/771,287.28 = 304,273.44/x
  3. Step 3: Cross multiply
    558,921.36x = 771,287.28 × 304,273.44
  4. Step 4: Simplify right side
    558,921.36x = 234,682,233,913.84
  5. Step 5: Solve for x
    x = 234,682,233,913.84/558,921.36
  6. Step 6: Final answer
    x = 419,884.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.