Home / 800,502.12-1,199,175.28-650,911.32

Finding the Fourth Proportional to 800,502.12, 1,199,175.28 and 650,911.32

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Solution

The fourth proportional to 800,502.12, 1,199,175.28 and 650,911.32 is: 975,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,502.12 : 1,199,175.28 = 650,911.32 : x
  2. Step 2: Convert to fraction form
    800,502.12/1,199,175.28 = 650,911.32/x
  3. Step 3: Cross multiply
    800,502.12x = 1,199,175.28 × 650,911.32
  4. Step 4: Simplify right side
    800,502.12x = 780,556,764,416.17
  5. Step 5: Solve for x
    x = 780,556,764,416.17/800,502.12
  6. Step 6: Final answer
    x = 975,083.94

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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.