Home / 814,518.24-1,221,484.56-281,894.72

Finding the Fourth Proportional to 814,518.24, 1,221,484.56 and 281,894.72

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Solution

The fourth proportional to 814,518.24, 1,221,484.56 and 281,894.72 is: 422,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,518.24 : 1,221,484.56 = 281,894.72 : x
  2. Step 2: Convert to fraction form
    814,518.24/1,221,484.56 = 281,894.72/x
  3. Step 3: Cross multiply
    814,518.24x = 1,221,484.56 × 281,894.72
  4. Step 4: Simplify right side
    814,518.24x = 344,330,048,025.52
  5. Step 5: Solve for x
    x = 344,330,048,025.52/814,518.24
  6. Step 6: Final answer
    x = 422,740.75

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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.