Home / 668,504.30-1,003,062.62-289,540.94

Finding the Fourth Proportional to 668,504.30, 1,003,062.62 and 289,540.94

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Solution

The fourth proportional to 668,504.30, 1,003,062.62 and 289,540.94 is: 434,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,504.30 : 1,003,062.62 = 289,540.94 : x
  2. Step 2: Convert to fraction form
    668,504.30/1,003,062.62 = 289,540.94/x
  3. Step 3: Cross multiply
    668,504.30x = 1,003,062.62 × 289,540.94
  4. Step 4: Simplify right side
    668,504.30x = 290,427,693,873.66
  5. Step 5: Solve for x
    x = 290,427,693,873.66/668,504.30
  6. Step 6: Final answer
    x = 434,444.02

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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.