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Finding the Fourth Proportional to 662,884.83, 993,556.02 and 378,774.55

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Solution

The fourth proportional to 662,884.83, 993,556.02 and 378,774.55 is: 567,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,884.83 : 993,556.02 = 378,774.55 : x
  2. Step 2: Convert to fraction form
    662,884.83/993,556.02 = 378,774.55/x
  3. Step 3: Cross multiply
    662,884.83x = 993,556.02 × 378,774.55
  4. Step 4: Simplify right side
    662,884.83x = 376,333,729,407.51
  5. Step 5: Solve for x
    x = 376,333,729,407.51/662,884.83
  6. Step 6: Final answer
    x = 567,721.14

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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.