Home / 810,826.08-1,118,939.82-443,304.54

Finding the Fourth Proportional to 810,826.08, 1,118,939.82 and 443,304.54

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Solution

The fourth proportional to 810,826.08, 1,118,939.82 and 443,304.54 is: 611,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,826.08 : 1,118,939.82 = 443,304.54 : x
  2. Step 2: Convert to fraction form
    810,826.08/1,118,939.82 = 443,304.54/x
  3. Step 3: Cross multiply
    810,826.08x = 1,118,939.82 × 443,304.54
  4. Step 4: Simplify right side
    810,826.08x = 496,031,102,192.78
  5. Step 5: Solve for x
    x = 496,031,102,192.78/810,826.08
  6. Step 6: Final answer
    x = 611,760.17

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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.