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Finding the Fourth Proportional to 635,254.94, 876,653.54 and 348,793.58

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Solution

The fourth proportional to 635,254.94, 876,653.54 and 348,793.58 is: 481,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,254.94 : 876,653.54 = 348,793.58 : x
  2. Step 2: Convert to fraction form
    635,254.94/876,653.54 = 348,793.58/x
  3. Step 3: Cross multiply
    635,254.94x = 876,653.54 × 348,793.58
  4. Step 4: Simplify right side
    635,254.94x = 305,771,120,509.04
  5. Step 5: Solve for x
    x = 305,771,120,509.04/635,254.94
  6. Step 6: Final answer
    x = 481,336.08

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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.