Home / 890,455.20-1,336,557.60-441,682.80

Finding the Fourth Proportional to 890,455.20, 1,336,557.60 and 441,682.80

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Solution

The fourth proportional to 890,455.20, 1,336,557.60 and 441,682.80 is: 662,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,455.20 : 1,336,557.60 = 441,682.80 : x
  2. Step 2: Convert to fraction form
    890,455.20/1,336,557.60 = 441,682.80/x
  3. Step 3: Cross multiply
    890,455.20x = 1,336,557.60 × 441,682.80
  4. Step 4: Simplify right side
    890,455.20x = 590,334,503,129.28
  5. Step 5: Solve for x
    x = 590,334,503,129.28/890,455.20
  6. Step 6: Final answer
    x = 662,958.12

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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.