Home / 703,579.80-1,056,147.30-437,640.60

Finding the Fourth Proportional to 703,579.80, 1,056,147.30 and 437,640.60

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Solution

The fourth proportional to 703,579.80, 1,056,147.30 and 437,640.60 is: 656,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,579.80 : 1,056,147.30 = 437,640.60 : x
  2. Step 2: Convert to fraction form
    703,579.80/1,056,147.30 = 437,640.60/x
  3. Step 3: Cross multiply
    703,579.80x = 1,056,147.30 × 437,640.60
  4. Step 4: Simplify right side
    703,579.80x = 462,212,938,060.38
  5. Step 5: Solve for x
    x = 462,212,938,060.38/703,579.80
  6. Step 6: Final answer
    x = 656,944.58

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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.