Home / 846,417.96-1,268,879.58-647,625.78

Finding the Fourth Proportional to 846,417.96, 1,268,879.58 and 647,625.78

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Solution

The fourth proportional to 846,417.96, 1,268,879.58 and 647,625.78 is: 970,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,417.96 : 1,268,879.58 = 647,625.78 : x
  2. Step 2: Convert to fraction form
    846,417.96/1,268,879.58 = 647,625.78/x
  3. Step 3: Cross multiply
    846,417.96x = 1,268,879.58 × 647,625.78
  4. Step 4: Simplify right side
    846,417.96x = 821,759,127,723.57
  5. Step 5: Solve for x
    x = 821,759,127,723.57/846,417.96
  6. Step 6: Final answer
    x = 970,866.84

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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.