Home / 664,037.73-916,415.37-377,584.47

Finding the Fourth Proportional to 664,037.73, 916,415.37 and 377,584.47

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Solution

The fourth proportional to 664,037.73, 916,415.37 and 377,584.47 is: 521,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,037.73 : 916,415.37 = 377,584.47 : x
  2. Step 2: Convert to fraction form
    664,037.73/916,415.37 = 377,584.47/x
  3. Step 3: Cross multiply
    664,037.73x = 916,415.37 × 377,584.47
  4. Step 4: Simplify right side
    664,037.73x = 346,024,211,781.30
  5. Step 5: Solve for x
    x = 346,024,211,781.30/664,037.73
  6. Step 6: Final answer
    x = 521,091.19

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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.