Home / 805,872.24-1,112,122.44-443,316.24

Finding the Fourth Proportional to 805,872.24, 1,112,122.44 and 443,316.24

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Solution

The fourth proportional to 805,872.24, 1,112,122.44 and 443,316.24 is: 611,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,872.24 : 1,112,122.44 = 443,316.24 : x
  2. Step 2: Convert to fraction form
    805,872.24/1,112,122.44 = 443,316.24/x
  3. Step 3: Cross multiply
    805,872.24x = 1,112,122.44 × 443,316.24
  4. Step 4: Simplify right side
    805,872.24x = 493,021,938,520.43
  5. Step 5: Solve for x
    x = 493,021,938,520.43/805,872.24
  6. Step 6: Final answer
    x = 611,786.73

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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.