Home / 850,052.62-1,274,772.54-281,328.64

Finding the Fourth Proportional to 850,052.62, 1,274,772.54 and 281,328.64

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Solution

The fourth proportional to 850,052.62, 1,274,772.54 and 281,328.64 is: 421,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,052.62 : 1,274,772.54 = 281,328.64 : x
  2. Step 2: Convert to fraction form
    850,052.62/1,274,772.54 = 281,328.64/x
  3. Step 3: Cross multiply
    850,052.62x = 1,274,772.54 × 281,328.64
  4. Step 4: Simplify right side
    850,052.62x = 358,630,024,987.55
  5. Step 5: Solve for x
    x = 358,630,024,987.55/850,052.62
  6. Step 6: Final answer
    x = 421,891.56

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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.