Home / 721,205.04-1,081,724.76-188,777.64

Finding the Fourth Proportional to 721,205.04, 1,081,724.76 and 188,777.64

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Solution

The fourth proportional to 721,205.04, 1,081,724.76 and 188,777.64 is: 283,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,205.04 : 1,081,724.76 = 188,777.64 : x
  2. Step 2: Convert to fraction form
    721,205.04/1,081,724.76 = 188,777.64/x
  3. Step 3: Cross multiply
    721,205.04x = 1,081,724.76 × 188,777.64
  4. Step 4: Simplify right side
    721,205.04x = 204,205,447,322.37
  5. Step 5: Solve for x
    x = 204,205,447,322.37/721,205.04
  6. Step 6: Final answer
    x = 283,144.79

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Double scale
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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.