Home / 835,379.60-1,148,391.87-718,667.15

Finding the Fourth Proportional to 835,379.60, 1,148,391.87 and 718,667.15

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Solution

The fourth proportional to 835,379.60, 1,148,391.87 and 718,667.15 is: 987,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,379.60 : 1,148,391.87 = 718,667.15 : x
  2. Step 2: Convert to fraction form
    835,379.60/1,148,391.87 = 718,667.15/x
  3. Step 3: Cross multiply
    835,379.60x = 1,148,391.87 × 718,667.15
  4. Step 4: Simplify right side
    835,379.60x = 825,311,517,862.05
  5. Step 5: Solve for x
    x = 825,311,517,862.05/835,379.60
  6. Step 6: Final answer
    x = 987,947.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.