Home / 808,791.44-1,212,203.28-572,202.32

Finding the Fourth Proportional to 808,791.44, 1,212,203.28 and 572,202.32

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Solution

The fourth proportional to 808,791.44, 1,212,203.28 and 572,202.32 is: 857,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,791.44 : 1,212,203.28 = 572,202.32 : x
  2. Step 2: Convert to fraction form
    808,791.44/1,212,203.28 = 572,202.32/x
  3. Step 3: Cross multiply
    808,791.44x = 1,212,203.28 × 572,202.32
  4. Step 4: Simplify right side
    808,791.44x = 693,625,529,127.61
  5. Step 5: Solve for x
    x = 693,625,529,127.61/808,791.44
  6. Step 6: Final answer
    x = 857,607.41

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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.