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Finding the Fourth Proportional to 655,369.56, 904,302.36 and 379,629.36

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Solution

The fourth proportional to 655,369.56, 904,302.36 and 379,629.36 is: 523,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,369.56 : 904,302.36 = 379,629.36 : x
  2. Step 2: Convert to fraction form
    655,369.56/904,302.36 = 379,629.36/x
  3. Step 3: Cross multiply
    655,369.56x = 904,302.36 × 379,629.36
  4. Step 4: Simplify right side
    655,369.56x = 343,299,726,173.29
  5. Step 5: Solve for x
    x = 343,299,726,173.29/655,369.56
  6. Step 6: Final answer
    x = 523,826.17

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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.