Home / 487,736.89-673,103.06-272,864.14

Finding the Fourth Proportional to 487,736.89, 673,103.06 and 272,864.14

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Solution

The fourth proportional to 487,736.89, 673,103.06 and 272,864.14 is: 376,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,736.89 : 673,103.06 = 272,864.14 : x
  2. Step 2: Convert to fraction form
    487,736.89/673,103.06 = 272,864.14/x
  3. Step 3: Cross multiply
    487,736.89x = 673,103.06 × 272,864.14
  4. Step 4: Simplify right side
    487,736.89x = 183,665,687,598.27
  5. Step 5: Solve for x
    x = 183,665,687,598.27/487,736.89
  6. Step 6: Final answer
    x = 376,567.14

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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.