Home / 899,539.61-1,348,815.22-443,126.56

Finding the Fourth Proportional to 899,539.61, 1,348,815.22 and 443,126.56

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Solution

The fourth proportional to 899,539.61, 1,348,815.22 and 443,126.56 is: 664,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,539.61 : 1,348,815.22 = 443,126.56 : x
  2. Step 2: Convert to fraction form
    899,539.61/1,348,815.22 = 443,126.56/x
  3. Step 3: Cross multiply
    899,539.61x = 1,348,815.22 × 443,126.56
  4. Step 4: Simplify right side
    899,539.61x = 597,695,848,514.24
  5. Step 5: Solve for x
    x = 597,695,848,514.24/899,539.61
  6. Step 6: Final answer
    x = 664,446.39

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Double scale
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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.