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Finding the Fourth Proportional to 559,369.26, 839,785.59 and 332,079.80

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Solution

The fourth proportional to 559,369.26, 839,785.59 and 332,079.80 is: 498,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,369.26 : 839,785.59 = 332,079.80 : x
  2. Step 2: Convert to fraction form
    559,369.26/839,785.59 = 332,079.80/x
  3. Step 3: Cross multiply
    559,369.26x = 839,785.59 × 332,079.80
  4. Step 4: Simplify right side
    559,369.26x = 278,875,826,571.15
  5. Step 5: Solve for x
    x = 278,875,826,571.15/559,369.26
  6. Step 6: Final answer
    x = 498,554.08

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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.