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Finding the Fourth Proportional to 635,394.06, 876,853.86 and 345,005.46

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Solution

The fourth proportional to 635,394.06, 876,853.86 and 345,005.46 is: 476,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,394.06 : 876,853.86 = 345,005.46 : x
  2. Step 2: Convert to fraction form
    635,394.06/876,853.86 = 345,005.46/x
  3. Step 3: Cross multiply
    635,394.06x = 876,853.86 × 345,005.46
  4. Step 4: Simplify right side
    635,394.06x = 302,519,369,322.08
  5. Step 5: Solve for x
    x = 302,519,369,322.08/635,394.06
  6. Step 6: Final answer
    x = 476,113.00

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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.