Home / 664,029.72-916,268.52-377,518.14

Finding the Fourth Proportional to 664,029.72, 916,268.52 and 377,518.14

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Solution

The fourth proportional to 664,029.72, 916,268.52 and 377,518.14 is: 520,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,029.72 : 916,268.52 = 377,518.14 : x
  2. Step 2: Convert to fraction form
    664,029.72/916,268.52 = 377,518.14/x
  3. Step 3: Cross multiply
    664,029.72x = 916,268.52 × 377,518.14
  4. Step 4: Simplify right side
    664,029.72x = 345,907,987,410.95
  5. Step 5: Solve for x
    x = 345,907,987,410.95/664,029.72
  6. Step 6: Final answer
    x = 520,922.45

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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.