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Finding the Fourth Proportional to 540,080.58, 809,360.26 and 413,229.72

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Solution

The fourth proportional to 540,080.58, 809,360.26 and 413,229.72 is: 619,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,080.58 : 809,360.26 = 413,229.72 : x
  2. Step 2: Convert to fraction form
    540,080.58/809,360.26 = 413,229.72/x
  3. Step 3: Cross multiply
    540,080.58x = 809,360.26 × 413,229.72
  4. Step 4: Simplify right side
    540,080.58x = 334,451,713,618.93
  5. Step 5: Solve for x
    x = 334,451,713,618.93/540,080.58
  6. Step 6: Final answer
    x = 619,262.62

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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.