Home / 899,559.73-1,241,358.68-491,658.25

Finding the Fourth Proportional to 899,559.73, 1,241,358.68 and 491,658.25

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Solution

The fourth proportional to 899,559.73, 1,241,358.68 and 491,658.25 is: 678,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,559.73 : 1,241,358.68 = 491,658.25 : x
  2. Step 2: Convert to fraction form
    899,559.73/1,241,358.68 = 491,658.25/x
  3. Step 3: Cross multiply
    899,559.73x = 1,241,358.68 × 491,658.25
  4. Step 4: Simplify right side
    899,559.73x = 610,324,236,231.11
  5. Step 5: Solve for x
    x = 610,324,236,231.11/899,559.73
  6. Step 6: Final answer
    x = 678,469.94

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Double scale
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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.