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Finding the Fourth Proportional to 543,561.21, 750,133.24 and 301,847.83

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Solution

The fourth proportional to 543,561.21, 750,133.24 and 301,847.83 is: 416,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,561.21 : 750,133.24 = 301,847.83 : x
  2. Step 2: Convert to fraction form
    543,561.21/750,133.24 = 301,847.83/x
  3. Step 3: Cross multiply
    543,561.21x = 750,133.24 × 301,847.83
  4. Step 4: Simplify right side
    543,561.21x = 226,426,088,074.92
  5. Step 5: Solve for x
    x = 226,426,088,074.92/543,561.21
  6. Step 6: Final answer
    x = 416,560.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.