Home / 905,992.20-1,250,237.34-498,091.05

Finding the Fourth Proportional to 905,992.20, 1,250,237.34 and 498,091.05

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Solution

The fourth proportional to 905,992.20, 1,250,237.34 and 498,091.05 is: 687,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,992.20 : 1,250,237.34 = 498,091.05 : x
  2. Step 2: Convert to fraction form
    905,992.20/1,250,237.34 = 498,091.05/x
  3. Step 3: Cross multiply
    905,992.20x = 1,250,237.34 × 498,091.05
  4. Step 4: Simplify right side
    905,992.20x = 622,732,029,429.81
  5. Step 5: Solve for x
    x = 622,732,029,429.81/905,992.20
  6. Step 6: Final answer
    x = 687,348.11

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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.