Home / 949,105.44-1,309,770.72-535,645.68

Finding the Fourth Proportional to 949,105.44, 1,309,770.72 and 535,645.68

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Solution

The fourth proportional to 949,105.44, 1,309,770.72 and 535,645.68 is: 739,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,105.44 : 1,309,770.72 = 535,645.68 : x
  2. Step 2: Convert to fraction form
    949,105.44/1,309,770.72 = 535,645.68/x
  3. Step 3: Cross multiply
    949,105.44x = 1,309,770.72 × 535,645.68
  4. Step 4: Simplify right side
    949,105.44x = 701,573,027,958.49
  5. Step 5: Solve for x
    x = 701,573,027,958.49/949,105.44
  6. Step 6: Final answer
    x = 739,193.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.