Home / 890,044.32-1,335,103.32-258,958.12

Finding the Fourth Proportional to 890,044.32, 1,335,103.32 and 258,958.12

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Solution

The fourth proportional to 890,044.32, 1,335,103.32 and 258,958.12 is: 388,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,044.32 : 1,335,103.32 = 258,958.12 : x
  2. Step 2: Convert to fraction form
    890,044.32/1,335,103.32 = 258,958.12/x
  3. Step 3: Cross multiply
    890,044.32x = 1,335,103.32 × 258,958.12
  4. Step 4: Simplify right side
    890,044.32x = 345,735,845,752.96
  5. Step 5: Solve for x
    x = 345,735,845,752.96/890,044.32
  6. Step 6: Final answer
    x = 388,447.90

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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.