Home / 578,947.23-868,504.56-219,020.49

Finding the Fourth Proportional to 578,947.23, 868,504.56 and 219,020.49

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Solution

The fourth proportional to 578,947.23, 868,504.56 and 219,020.49 is: 328,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,947.23 : 868,504.56 = 219,020.49 : x
  2. Step 2: Convert to fraction form
    578,947.23/868,504.56 = 219,020.49/x
  3. Step 3: Cross multiply
    578,947.23x = 868,504.56 × 219,020.49
  4. Step 4: Simplify right side
    578,947.23x = 190,220,294,298.43
  5. Step 5: Solve for x
    x = 190,220,294,298.43/578,947.23
  6. Step 6: Final answer
    x = 328,562.41

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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.