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Finding the Fourth Proportional to 559,900.20, 839,850.30 and 382,753.20

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Solution

The fourth proportional to 559,900.20, 839,850.30 and 382,753.20 is: 574,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,900.20 : 839,850.30 = 382,753.20 : x
  2. Step 2: Convert to fraction form
    559,900.20/839,850.30 = 382,753.20/x
  3. Step 3: Cross multiply
    559,900.20x = 839,850.30 × 382,753.20
  4. Step 4: Simplify right side
    559,900.20x = 321,455,389,845.96
  5. Step 5: Solve for x
    x = 321,455,389,845.96/559,900.20
  6. Step 6: Final answer
    x = 574,129.80

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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.