Home / 835,706.38-1,253,732.91-380,080.57

Finding the Fourth Proportional to 835,706.38, 1,253,732.91 and 380,080.57

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Solution

The fourth proportional to 835,706.38, 1,253,732.91 and 380,080.57 is: 570,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,706.38 : 1,253,732.91 = 380,080.57 : x
  2. Step 2: Convert to fraction form
    835,706.38/1,253,732.91 = 380,080.57/x
  3. Step 3: Cross multiply
    835,706.38x = 1,253,732.91 × 380,080.57
  4. Step 4: Simplify right side
    835,706.38x = 476,519,519,060.56
  5. Step 5: Solve for x
    x = 476,519,519,060.56/835,706.38
  6. Step 6: Final answer
    x = 570,199.69

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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.