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Finding the Fourth Proportional to 628,994.10, 867,893.67 and 370,952.37

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Solution

The fourth proportional to 628,994.10, 867,893.67 and 370,952.37 is: 511,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,994.10 : 867,893.67 = 370,952.37 : x
  2. Step 2: Convert to fraction form
    628,994.10/867,893.67 = 370,952.37/x
  3. Step 3: Cross multiply
    628,994.10x = 867,893.67 × 370,952.37
  4. Step 4: Simplify right side
    628,994.10x = 321,947,213,794.50
  5. Step 5: Solve for x
    x = 321,947,213,794.50/628,994.10
  6. Step 6: Final answer
    x = 511,844.57

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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.