Home / 804,441.69-1,206,662.53-299,129.87

Finding the Fourth Proportional to 804,441.69, 1,206,662.53 and 299,129.87

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Solution

The fourth proportional to 804,441.69, 1,206,662.53 and 299,129.87 is: 448,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,441.69 : 1,206,662.53 = 299,129.87 : x
  2. Step 2: Convert to fraction form
    804,441.69/1,206,662.53 = 299,129.87/x
  3. Step 3: Cross multiply
    804,441.69x = 1,206,662.53 × 299,129.87
  4. Step 4: Simplify right side
    804,441.69x = 360,948,805,732.77
  5. Step 5: Solve for x
    x = 360,948,805,732.77/804,441.69
  6. Step 6: Final answer
    x = 448,694.80

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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.