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Finding the Fourth Proportional to 635,627.49, 877,171.14 and 349,153.98

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Solution

The fourth proportional to 635,627.49, 877,171.14 and 349,153.98 is: 481,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,627.49 : 877,171.14 = 349,153.98 : x
  2. Step 2: Convert to fraction form
    635,627.49/877,171.14 = 349,153.98/x
  3. Step 3: Cross multiply
    635,627.49x = 877,171.14 × 349,153.98
  4. Step 4: Simplify right side
    635,627.49x = 306,267,794,672.14
  5. Step 5: Solve for x
    x = 306,267,794,672.14/635,627.49
  6. Step 6: Final answer
    x = 481,835.35

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1.5x scale

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.