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Finding the Fourth Proportional to 540,028.20, 810,917.10 and 303,832.20

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Solution

The fourth proportional to 540,028.20, 810,917.10 and 303,832.20 is: 456,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,028.20 : 810,917.10 = 303,832.20 : x
  2. Step 2: Convert to fraction form
    540,028.20/810,917.10 = 303,832.20/x
  3. Step 3: Cross multiply
    540,028.20x = 810,917.10 × 303,832.20
  4. Step 4: Simplify right side
    540,028.20x = 246,382,726,510.62
  5. Step 5: Solve for x
    x = 246,382,726,510.62/540,028.20
  6. Step 6: Final answer
    x = 456,240.48

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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.