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Finding the Fourth Proportional to 635,262.08, 876,671.84 and 348,808

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Solution

The fourth proportional to 635,262.08, 876,671.84 and 348,808 is: 481,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,262.08 : 876,671.84 = 348,808 : x
  2. Step 2: Convert to fraction form
    635,262.08/876,671.84 = 348,808/x
  3. Step 3: Cross multiply
    635,262.08x = 876,671.84 × 348,808
  4. Step 4: Simplify right side
    635,262.08x = 305,790,151,166.72
  5. Step 5: Solve for x
    x = 305,790,151,166.72/635,262.08
  6. Step 6: Final answer
    x = 481,360.62

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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.