Home / 804,571.38-1,207,012.77-305,896.50

Finding the Fourth Proportional to 804,571.38, 1,207,012.77 and 305,896.50

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Solution

The fourth proportional to 804,571.38, 1,207,012.77 and 305,896.50 is: 458,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,571.38 : 1,207,012.77 = 305,896.50 : x
  2. Step 2: Convert to fraction form
    804,571.38/1,207,012.77 = 305,896.50/x
  3. Step 3: Cross multiply
    804,571.38x = 1,207,012.77 × 305,896.50
  4. Step 4: Simplify right side
    804,571.38x = 369,220,981,798.31
  5. Step 5: Solve for x
    x = 369,220,981,798.31/804,571.38
  6. Step 6: Final answer
    x = 458,903.95

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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.