Home / 804,806.89-1,207,022.99-299,605.84

Finding the Fourth Proportional to 804,806.89, 1,207,022.99 and 299,605.84

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Solution

The fourth proportional to 804,806.89, 1,207,022.99 and 299,605.84 is: 449,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,806.89 : 1,207,022.99 = 299,605.84 : x
  2. Step 2: Convert to fraction form
    804,806.89/1,207,022.99 = 299,605.84/x
  3. Step 3: Cross multiply
    804,806.89x = 1,207,022.99 × 299,605.84
  4. Step 4: Simplify right side
    804,806.89x = 361,631,132,302.68
  5. Step 5: Solve for x
    x = 361,631,132,302.68/804,806.89
  6. Step 6: Final answer
    x = 449,339.01

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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.