Home / 899,691.21-1,241,573.76-491,794.65

Finding the Fourth Proportional to 899,691.21, 1,241,573.76 and 491,794.65

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Solution

The fourth proportional to 899,691.21, 1,241,573.76 and 491,794.65 is: 678,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,691.21 : 1,241,573.76 = 491,794.65 : x
  2. Step 2: Convert to fraction form
    899,691.21/1,241,573.76 = 491,794.65/x
  3. Step 3: Cross multiply
    899,691.21x = 1,241,573.76 × 491,794.65
  4. Step 4: Simplify right side
    899,691.21x = 610,599,332,748.38
  5. Step 5: Solve for x
    x = 610,599,332,748.38/899,691.21
  6. Step 6: Final answer
    x = 678,676.56

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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.