Home / 668,464.26-1,003,333.08-414,977.60

Finding the Fourth Proportional to 668,464.26, 1,003,333.08 and 414,977.60

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Solution

The fourth proportional to 668,464.26, 1,003,333.08 and 414,977.60 is: 622,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,464.26 : 1,003,333.08 = 414,977.60 : x
  2. Step 2: Convert to fraction form
    668,464.26/1,003,333.08 = 414,977.60/x
  3. Step 3: Cross multiply
    668,464.26x = 1,003,333.08 × 414,977.60
  4. Step 4: Simplify right side
    668,464.26x = 416,360,753,539.01
  5. Step 5: Solve for x
    x = 416,360,753,539.01/668,464.26
  6. Step 6: Final answer
    x = 622,861.65

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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.