Home / 487,729.89-673,093.40-272,857.14

Finding the Fourth Proportional to 487,729.89, 673,093.40 and 272,857.14

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Solution

The fourth proportional to 487,729.89, 673,093.40 and 272,857.14 is: 376,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,729.89 : 673,093.40 = 272,857.14 : x
  2. Step 2: Convert to fraction form
    487,729.89/673,093.40 = 272,857.14/x
  3. Step 3: Cross multiply
    487,729.89x = 673,093.40 × 272,857.14
  4. Step 4: Simplify right side
    487,729.89x = 183,658,338,712.59
  5. Step 5: Solve for x
    x = 183,658,338,712.59/487,729.89
  6. Step 6: Final answer
    x = 376,557.48

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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.