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Finding the Fourth Proportional to 655,260.48, 904,288.54 and 368,799.12

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Solution

The fourth proportional to 655,260.48, 904,288.54 and 368,799.12 is: 508,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,260.48 : 904,288.54 = 368,799.12 : x
  2. Step 2: Convert to fraction form
    655,260.48/904,288.54 = 368,799.12/x
  3. Step 3: Cross multiply
    655,260.48x = 904,288.54 × 368,799.12
  4. Step 4: Simplify right side
    655,260.48x = 333,500,817,778.09
  5. Step 5: Solve for x
    x = 333,500,817,778.09/655,260.48
  6. Step 6: Final answer
    x = 508,959.15

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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.