Home / 487,716.64-673,075.11-272,843.89

Finding the Fourth Proportional to 487,716.64, 673,075.11 and 272,843.89

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Solution

The fourth proportional to 487,716.64, 673,075.11 and 272,843.89 is: 376,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,716.64 : 673,075.11 = 272,843.89 : x
  2. Step 2: Convert to fraction form
    487,716.64/673,075.11 = 272,843.89/x
  3. Step 3: Cross multiply
    487,716.64x = 673,075.11 × 272,843.89
  4. Step 4: Simplify right side
    487,716.64x = 183,644,431,274.58
  5. Step 5: Solve for x
    x = 183,644,431,274.58/487,716.64
  6. Step 6: Final answer
    x = 376,539.20

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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.