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Finding the Fourth Proportional to 541,068.69, 810,826.65 and 303,912.24

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Solution

The fourth proportional to 541,068.69, 810,826.65 and 303,912.24 is: 455,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,068.69 : 810,826.65 = 303,912.24 : x
  2. Step 2: Convert to fraction form
    541,068.69/810,826.65 = 303,912.24/x
  3. Step 3: Cross multiply
    541,068.69x = 810,826.65 × 303,912.24
  4. Step 4: Simplify right side
    541,068.69x = 246,420,143,453.20
  5. Step 5: Solve for x
    x = 246,420,143,453.20/541,068.69
  6. Step 6: Final answer
    x = 455,432.27

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1.5x scale

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.