Home / 906,517.09-1,250,906.70-498,612.43

Finding the Fourth Proportional to 906,517.09, 1,250,906.70 and 498,612.43

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Solution

The fourth proportional to 906,517.09, 1,250,906.70 and 498,612.43 is: 688,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,517.09 : 1,250,906.70 = 498,612.43 : x
  2. Step 2: Convert to fraction form
    906,517.09/1,250,906.70 = 498,612.43/x
  3. Step 3: Cross multiply
    906,517.09x = 1,250,906.70 × 498,612.43
  4. Step 4: Simplify right side
    906,517.09x = 623,717,629,390.28
  5. Step 5: Solve for x
    x = 623,717,629,390.28/906,517.09
  6. Step 6: Final answer
    x = 688,037.36

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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.