Home / 850,303.52-1,275,635.18-281,652.42

Finding the Fourth Proportional to 850,303.52, 1,275,635.18 and 281,652.42

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Solution

The fourth proportional to 850,303.52, 1,275,635.18 and 281,652.42 is: 422,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,303.52 : 1,275,635.18 = 281,652.42 : x
  2. Step 2: Convert to fraction form
    850,303.52/1,275,635.18 = 281,652.42/x
  3. Step 3: Cross multiply
    850,303.52x = 1,275,635.18 × 281,652.42
  4. Step 4: Simplify right side
    850,303.52x = 359,285,735,484.14
  5. Step 5: Solve for x
    x = 359,285,735,484.14/850,303.52
  6. Step 6: Final answer
    x = 422,538.22

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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.