Home / 800,591.16-1,200,901.32-268,012.92

Finding the Fourth Proportional to 800,591.16, 1,200,901.32 and 268,012.92

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Solution

The fourth proportional to 800,591.16, 1,200,901.32 and 268,012.92 is: 402,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,591.16 : 1,200,901.32 = 268,012.92 : x
  2. Step 2: Convert to fraction form
    800,591.16/1,200,901.32 = 268,012.92/x
  3. Step 3: Cross multiply
    800,591.16x = 1,200,901.32 × 268,012.92
  4. Step 4: Simplify right side
    800,591.16x = 321,857,069,405.05
  5. Step 5: Solve for x
    x = 321,857,069,405.05/800,591.16
  6. Step 6: Final answer
    x = 402,024.26

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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.