Home / 380,619.46-570,750.39-220,740.85

Finding the Fourth Proportional to 380,619.46, 570,750.39 and 220,740.85

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Solution

The fourth proportional to 380,619.46, 570,750.39 and 220,740.85 is: 331,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,619.46 : 570,750.39 = 220,740.85 : x
  2. Step 2: Convert to fraction form
    380,619.46/570,750.39 = 220,740.85/x
  3. Step 3: Cross multiply
    380,619.46x = 570,750.39 × 220,740.85
  4. Step 4: Simplify right side
    380,619.46x = 125,987,926,226.43
  5. Step 5: Solve for x
    x = 125,987,926,226.43/380,619.46
  6. Step 6: Final answer
    x = 331,007.58

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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.