Home / 906,103.91-1,250,389.77-498,181.49

Finding the Fourth Proportional to 906,103.91, 1,250,389.77 and 498,181.49

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Solution

The fourth proportional to 906,103.91, 1,250,389.77 and 498,181.49 is: 687,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,103.91 : 1,250,389.77 = 498,181.49 : x
  2. Step 2: Convert to fraction form
    906,103.91/1,250,389.77 = 498,181.49/x
  3. Step 3: Cross multiply
    906,103.91x = 1,250,389.77 × 498,181.49
  4. Step 4: Simplify right side
    906,103.91x = 622,921,032,447.41
  5. Step 5: Solve for x
    x = 622,921,032,447.41/906,103.91
  6. Step 6: Final answer
    x = 687,471.96

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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.