Home / 724,037.10-1,086,055.65-198,725.10

Finding the Fourth Proportional to 724,037.10, 1,086,055.65 and 198,725.10

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Solution

The fourth proportional to 724,037.10, 1,086,055.65 and 198,725.10 is: 298,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,037.10 : 1,086,055.65 = 198,725.10 : x
  2. Step 2: Convert to fraction form
    724,037.10/1,086,055.65 = 198,725.10/x
  3. Step 3: Cross multiply
    724,037.10x = 1,086,055.65 × 198,725.10
  4. Step 4: Simplify right side
    724,037.10x = 215,826,517,651.82
  5. Step 5: Solve for x
    x = 215,826,517,651.82/724,037.10
  6. Step 6: Final answer
    x = 298,087.65

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Double scale
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Similar ratio
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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.