Home / 835,661.42-1,253,343.87-380,146.58

Finding the Fourth Proportional to 835,661.42, 1,253,343.87 and 380,146.58

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Solution

The fourth proportional to 835,661.42, 1,253,343.87 and 380,146.58 is: 570,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,661.42 : 1,253,343.87 = 380,146.58 : x
  2. Step 2: Convert to fraction form
    835,661.42/1,253,343.87 = 380,146.58/x
  3. Step 3: Cross multiply
    835,661.42x = 1,253,343.87 × 380,146.58
  4. Step 4: Simplify right side
    835,661.42x = 476,454,379,477.75
  5. Step 5: Solve for x
    x = 476,454,379,477.75/835,661.42
  6. Step 6: Final answer
    x = 570,152.42

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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.