Home / 706,449.60-1,059,674.40-426,513.60

Finding the Fourth Proportional to 706,449.60, 1,059,674.40 and 426,513.60

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Solution

The fourth proportional to 706,449.60, 1,059,674.40 and 426,513.60 is: 639,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,449.60 : 1,059,674.40 = 426,513.60 : x
  2. Step 2: Convert to fraction form
    706,449.60/1,059,674.40 = 426,513.60/x
  3. Step 3: Cross multiply
    706,449.60x = 1,059,674.40 × 426,513.60
  4. Step 4: Simplify right side
    706,449.60x = 451,965,543,171.84
  5. Step 5: Solve for x
    x = 451,965,543,171.84/706,449.60
  6. Step 6: Final answer
    x = 639,770.40

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Similar ratio
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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.