Home / 802,179.36-1,106,975.79-479,697.30

Finding the Fourth Proportional to 802,179.36, 1,106,975.79 and 479,697.30

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Solution

The fourth proportional to 802,179.36, 1,106,975.79 and 479,697.30 is: 661,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,179.36 : 1,106,975.79 = 479,697.30 : x
  2. Step 2: Convert to fraction form
    802,179.36/1,106,975.79 = 479,697.30/x
  3. Step 3: Cross multiply
    802,179.36x = 1,106,975.79 × 479,697.30
  4. Step 4: Simplify right side
    802,179.36x = 531,013,297,628.37
  5. Step 5: Solve for x
    x = 531,013,297,628.37/802,179.36
  6. Step 6: Final answer
    x = 661,963.30

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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.