Home / 515,727.36-711,521.28-336,983.04

Finding the Fourth Proportional to 515,727.36, 711,521.28 and 336,983.04

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Solution

The fourth proportional to 515,727.36, 711,521.28 and 336,983.04 is: 464,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,727.36 : 711,521.28 = 336,983.04 : x
  2. Step 2: Convert to fraction form
    515,727.36/711,521.28 = 336,983.04/x
  3. Step 3: Cross multiply
    515,727.36x = 711,521.28 × 336,983.04
  4. Step 4: Simplify right side
    515,727.36x = 239,770,603,959.09
  5. Step 5: Solve for x
    x = 239,770,603,959.09/515,727.36
  6. Step 6: Final answer
    x = 464,917.36

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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.