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Finding the Fourth Proportional to 655,146.54, 904,101.81 and 368,666.88

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Solution

The fourth proportional to 655,146.54, 904,101.81 and 368,666.88 is: 508,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,146.54 : 904,101.81 = 368,666.88 : x
  2. Step 2: Convert to fraction form
    655,146.54/904,101.81 = 368,666.88/x
  3. Step 3: Cross multiply
    655,146.54x = 904,101.81 × 368,666.88
  4. Step 4: Simplify right side
    655,146.54x = 333,312,393,495.05
  5. Step 5: Solve for x
    x = 333,312,393,495.05/655,146.54
  6. Step 6: Final answer
    x = 508,760.06

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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.