Home / 777,678.03-1,165,467.24-403,963.47

Finding the Fourth Proportional to 777,678.03, 1,165,467.24 and 403,963.47

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Solution

The fourth proportional to 777,678.03, 1,165,467.24 and 403,963.47 is: 605,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,678.03 : 1,165,467.24 = 403,963.47 : x
  2. Step 2: Convert to fraction form
    777,678.03/1,165,467.24 = 403,963.47/x
  3. Step 3: Cross multiply
    777,678.03x = 1,165,467.24 × 403,963.47
  4. Step 4: Simplify right side
    777,678.03x = 470,806,190,441.72
  5. Step 5: Solve for x
    x = 470,806,190,441.72/777,678.03
  6. Step 6: Final answer
    x = 605,399.89

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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.