Home / 463,896.28-640,117.11-272,839.96

Finding the Fourth Proportional to 463,896.28, 640,117.11 and 272,839.96

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Solution

The fourth proportional to 463,896.28, 640,117.11 and 272,839.96 is: 376,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,896.28 : 640,117.11 = 272,839.96 : x
  2. Step 2: Convert to fraction form
    463,896.28/640,117.11 = 272,839.96/x
  3. Step 3: Cross multiply
    463,896.28x = 640,117.11 × 272,839.96
  4. Step 4: Simplify right side
    463,896.28x = 174,649,526,687.72
  5. Step 5: Solve for x
    x = 174,649,526,687.72/463,896.28
  6. Step 6: Final answer
    x = 376,484.00

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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.