Home / 873,999.28-1,310,998.92-313,427.44

Finding the Fourth Proportional to 873,999.28, 1,310,998.92 and 313,427.44

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Solution

The fourth proportional to 873,999.28, 1,310,998.92 and 313,427.44 is: 470,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,999.28 : 1,310,998.92 = 313,427.44 : x
  2. Step 2: Convert to fraction form
    873,999.28/1,310,998.92 = 313,427.44/x
  3. Step 3: Cross multiply
    873,999.28x = 1,310,998.92 × 313,427.44
  4. Step 4: Simplify right side
    873,999.28x = 410,903,035,338.37
  5. Step 5: Solve for x
    x = 410,903,035,338.37/873,999.28
  6. Step 6: Final answer
    x = 470,141.16

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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.