Home / 894,789.22-1,234,790.82-486,899.14

Finding the Fourth Proportional to 894,789.22, 1,234,790.82 and 486,899.14

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Solution

The fourth proportional to 894,789.22, 1,234,790.82 and 486,899.14 is: 671,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,789.22 : 1,234,790.82 = 486,899.14 : x
  2. Step 2: Convert to fraction form
    894,789.22/1,234,790.82 = 486,899.14/x
  3. Step 3: Cross multiply
    894,789.22x = 1,234,790.82 × 486,899.14
  4. Step 4: Simplify right side
    894,789.22x = 601,218,588,337.90
  5. Step 5: Solve for x
    x = 601,218,588,337.90/894,789.22
  6. Step 6: Final answer
    x = 671,910.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.