Home / 695,375.12-1,042,894.10-189,938.46

Finding the Fourth Proportional to 695,375.12, 1,042,894.10 and 189,938.46

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Solution

The fourth proportional to 695,375.12, 1,042,894.10 and 189,938.46 is: 284,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,375.12 : 1,042,894.10 = 189,938.46 : x
  2. Step 2: Convert to fraction form
    695,375.12/1,042,894.10 = 189,938.46/x
  3. Step 3: Cross multiply
    695,375.12x = 1,042,894.10 × 189,938.46
  4. Step 4: Simplify right side
    695,375.12x = 198,085,699,297.09
  5. Step 5: Solve for x
    x = 198,085,699,297.09/695,375.12
  6. Step 6: Final answer
    x = 284,861.64

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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.