Home / 804,440.69-1,206,661.03-299,128.87

Finding the Fourth Proportional to 804,440.69, 1,206,661.03 and 299,128.87

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Solution

The fourth proportional to 804,440.69, 1,206,661.03 and 299,128.87 is: 448,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,440.69 : 1,206,661.03 = 299,128.87 : x
  2. Step 2: Convert to fraction form
    804,440.69/1,206,661.03 = 299,128.87/x
  3. Step 3: Cross multiply
    804,440.69x = 1,206,661.03 × 299,128.87
  4. Step 4: Simplify right side
    804,440.69x = 360,947,150,376.94
  5. Step 5: Solve for x
    x = 360,947,150,376.94/804,440.69
  6. Step 6: Final answer
    x = 448,693.30

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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.