Home / 689,194.21-1,033,856.15-202,876.68

Finding the Fourth Proportional to 689,194.21, 1,033,856.15 and 202,876.68

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Solution

The fourth proportional to 689,194.21, 1,033,856.15 and 202,876.68 is: 304,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,194.21 : 1,033,856.15 = 202,876.68 : x
  2. Step 2: Convert to fraction form
    689,194.21/1,033,856.15 = 202,876.68/x
  3. Step 3: Cross multiply
    689,194.21x = 1,033,856.15 × 202,876.68
  4. Step 4: Simplify right side
    689,194.21x = 209,745,303,309.58
  5. Step 5: Solve for x
    x = 209,745,303,309.58/689,194.21
  6. Step 6: Final answer
    x = 304,334.11

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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.