Home / 829,086.32-1,243,629.48-230,047.60

Finding the Fourth Proportional to 829,086.32, 1,243,629.48 and 230,047.60

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Solution

The fourth proportional to 829,086.32, 1,243,629.48 and 230,047.60 is: 345,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,086.32 : 1,243,629.48 = 230,047.60 : x
  2. Step 2: Convert to fraction form
    829,086.32/1,243,629.48 = 230,047.60/x
  3. Step 3: Cross multiply
    829,086.32x = 1,243,629.48 × 230,047.60
  4. Step 4: Simplify right side
    829,086.32x = 286,093,977,163.25
  5. Step 5: Solve for x
    x = 286,093,977,163.25/829,086.32
  6. Step 6: Final answer
    x = 345,071.40

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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.