Home / 804,439.69-1,206,659.53-299,127.87

Finding the Fourth Proportional to 804,439.69, 1,206,659.53 and 299,127.87

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Solution

The fourth proportional to 804,439.69, 1,206,659.53 and 299,127.87 is: 448,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,439.69 : 1,206,659.53 = 299,127.87 : x
  2. Step 2: Convert to fraction form
    804,439.69/1,206,659.53 = 299,127.87/x
  3. Step 3: Cross multiply
    804,439.69x = 1,206,659.53 × 299,127.87
  4. Step 4: Simplify right side
    804,439.69x = 360,945,495,398.01
  5. Step 5: Solve for x
    x = 360,945,495,398.01/804,439.69
  6. Step 6: Final answer
    x = 448,691.81

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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.