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Finding the Fourth Proportional to 635,840.56, 877,459.26 and 349,359.94

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Solution

The fourth proportional to 635,840.56, 877,459.26 and 349,359.94 is: 482,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,840.56 : 877,459.26 = 349,359.94 : x
  2. Step 2: Convert to fraction form
    635,840.56/877,459.26 = 349,359.94/x
  3. Step 3: Cross multiply
    635,840.56x = 877,459.26 × 349,359.94
  4. Step 4: Simplify right side
    635,840.56x = 306,549,114,426.04
  5. Step 5: Solve for x
    x = 306,549,114,426.04/635,840.56
  6. Step 6: Final answer
    x = 482,116.33

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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.