Home / 547,791.03-755,937.51-306,075.60

Finding the Fourth Proportional to 547,791.03, 755,937.51 and 306,075.60

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Solution

The fourth proportional to 547,791.03, 755,937.51 and 306,075.60 is: 422,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,791.03 : 755,937.51 = 306,075.60 : x
  2. Step 2: Convert to fraction form
    547,791.03/755,937.51 = 306,075.60/x
  3. Step 3: Cross multiply
    547,791.03x = 755,937.51 × 306,075.60
  4. Step 4: Simplify right side
    547,791.03x = 231,374,026,935.76
  5. Step 5: Solve for x
    x = 231,374,026,935.76/547,791.03
  6. Step 6: Final answer
    x = 422,376.44

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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.