Home / 930,906.90-1,396,032.30-331,887.60

Finding the Fourth Proportional to 930,906.90, 1,396,032.30 and 331,887.60

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Solution

The fourth proportional to 930,906.90, 1,396,032.30 and 331,887.60 is: 497,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,906.90 : 1,396,032.30 = 331,887.60 : x
  2. Step 2: Convert to fraction form
    930,906.90/1,396,032.30 = 331,887.60/x
  3. Step 3: Cross multiply
    930,906.90x = 1,396,032.30 × 331,887.60
  4. Step 4: Simplify right side
    930,906.90x = 463,325,809,569.48
  5. Step 5: Solve for x
    x = 463,325,809,569.48/930,906.90
  6. Step 6: Final answer
    x = 497,714.44

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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.