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Finding the Fourth Proportional to 559,960.20, 839,940.30 and 349,716.60

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Solution

The fourth proportional to 559,960.20, 839,940.30 and 349,716.60 is: 524,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,960.20 : 839,940.30 = 349,716.60 : x
  2. Step 2: Convert to fraction form
    559,960.20/839,940.30 = 349,716.60/x
  3. Step 3: Cross multiply
    559,960.20x = 839,940.30 × 349,716.60
  4. Step 4: Simplify right side
    559,960.20x = 293,741,065,918.98
  5. Step 5: Solve for x
    x = 293,741,065,918.98/559,960.20
  6. Step 6: Final answer
    x = 524,574.90

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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.