Home / 776,832.33-1,165,165.47-208,270.47

Finding the Fourth Proportional to 776,832.33, 1,165,165.47 and 208,270.47

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Solution

The fourth proportional to 776,832.33, 1,165,165.47 and 208,270.47 is: 312,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,832.33 : 1,165,165.47 = 208,270.47 : x
  2. Step 2: Convert to fraction form
    776,832.33/1,165,165.47 = 208,270.47/x
  3. Step 3: Cross multiply
    776,832.33x = 1,165,165.47 × 208,270.47
  4. Step 4: Simplify right side
    776,832.33x = 242,669,560,064.67
  5. Step 5: Solve for x
    x = 242,669,560,064.67/776,832.33
  6. Step 6: Final answer
    x = 312,383.45

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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.