Home / 696,873.60-1,042,666.92-412,716.24

Finding the Fourth Proportional to 696,873.60, 1,042,666.92 and 412,716.24

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Solution

The fourth proportional to 696,873.60, 1,042,666.92 and 412,716.24 is: 617,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,873.60 : 1,042,666.92 = 412,716.24 : x
  2. Step 2: Convert to fraction form
    696,873.60/1,042,666.92 = 412,716.24/x
  3. Step 3: Cross multiply
    696,873.60x = 1,042,666.92 × 412,716.24
  4. Step 4: Simplify right side
    696,873.60x = 430,325,570,794.78
  5. Step 5: Solve for x
    x = 430,325,570,794.78/696,873.60
  6. Step 6: Final answer
    x = 617,508.79

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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.