Home / 627,042.63-940,323.20-266,985.21

Finding the Fourth Proportional to 627,042.63, 940,323.20 and 266,985.21

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Solution

The fourth proportional to 627,042.63, 940,323.20 and 266,985.21 is: 400,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,042.63 : 940,323.20 = 266,985.21 : x
  2. Step 2: Convert to fraction form
    627,042.63/940,323.20 = 266,985.21/x
  3. Step 3: Cross multiply
    627,042.63x = 940,323.20 × 266,985.21
  4. Step 4: Simplify right side
    627,042.63x = 251,052,387,019.87
  5. Step 5: Solve for x
    x = 251,052,387,019.87/627,042.63
  6. Step 6: Final answer
    x = 400,375.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.