Home / 886,942.82-1,330,448.52-310,454.48

Finding the Fourth Proportional to 886,942.82, 1,330,448.52 and 310,454.48

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Solution

The fourth proportional to 886,942.82, 1,330,448.52 and 310,454.48 is: 465,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,942.82 : 1,330,448.52 = 310,454.48 : x
  2. Step 2: Convert to fraction form
    886,942.82/1,330,448.52 = 310,454.48/x
  3. Step 3: Cross multiply
    886,942.82x = 1,330,448.52 × 310,454.48
  4. Step 4: Simplify right side
    886,942.82x = 413,043,703,443.37
  5. Step 5: Solve for x
    x = 413,043,703,443.37/886,942.82
  6. Step 6: Final answer
    x = 465,693.72

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1.5x scale

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.