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Finding the Fourth Proportional to 655,270.24, 904,175.40 and 368,773.24

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Solution

The fourth proportional to 655,270.24, 904,175.40 and 368,773.24 is: 508,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,270.24 : 904,175.40 = 368,773.24 : x
  2. Step 2: Convert to fraction form
    655,270.24/904,175.40 = 368,773.24/x
  3. Step 3: Cross multiply
    655,270.24x = 904,175.40 × 368,773.24
  4. Step 4: Simplify right side
    655,270.24x = 333,435,691,786.30
  5. Step 5: Solve for x
    x = 333,435,691,786.30/655,270.24
  6. Step 6: Final answer
    x = 508,852.18

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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.