Home / 715,817.63-1,073,670.61-416,107.05

Finding the Fourth Proportional to 715,817.63, 1,073,670.61 and 416,107.05

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Solution

The fourth proportional to 715,817.63, 1,073,670.61 and 416,107.05 is: 624,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,817.63 : 1,073,670.61 = 416,107.05 : x
  2. Step 2: Convert to fraction form
    715,817.63/1,073,670.61 = 416,107.05/x
  3. Step 3: Cross multiply
    715,817.63x = 1,073,670.61 × 416,107.05
  4. Step 4: Simplify right side
    715,817.63x = 446,761,910,198.80
  5. Step 5: Solve for x
    x = 446,761,910,198.80/715,817.63
  6. Step 6: Final answer
    x = 624,128.12

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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.