Home / 805,301.60-1,207,066.62-331,728.64

Finding the Fourth Proportional to 805,301.60, 1,207,066.62 and 331,728.64

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Solution

The fourth proportional to 805,301.60, 1,207,066.62 and 331,728.64 is: 497,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,301.60 : 1,207,066.62 = 331,728.64 : x
  2. Step 2: Convert to fraction form
    805,301.60/1,207,066.62 = 331,728.64/x
  3. Step 3: Cross multiply
    805,301.60x = 1,207,066.62 × 331,728.64
  4. Step 4: Simplify right side
    805,301.60x = 400,418,568,242.00
  5. Step 5: Solve for x
    x = 400,418,568,242.00/805,301.60
  6. Step 6: Final answer
    x = 497,228.08

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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.