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Finding the Fourth Proportional to 655,080.60, 904,028.88 and 368,610.84

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Solution

The fourth proportional to 655,080.60, 904,028.88 and 368,610.84 is: 508,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,080.60 : 904,028.88 = 368,610.84 : x
  2. Step 2: Convert to fraction form
    655,080.60/904,028.88 = 368,610.84/x
  3. Step 3: Cross multiply
    655,080.60x = 904,028.88 × 368,610.84
  4. Step 4: Simplify right side
    655,080.60x = 333,234,844,841.06
  5. Step 5: Solve for x
    x = 333,234,844,841.06/655,080.60
  6. Step 6: Final answer
    x = 508,692.89

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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.