Home / 671,821.67-1,008,054.48-419,037.14

Finding the Fourth Proportional to 671,821.67, 1,008,054.48 and 419,037.14

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Solution

The fourth proportional to 671,821.67, 1,008,054.48 and 419,037.14 is: 628,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,821.67 : 1,008,054.48 = 419,037.14 : x
  2. Step 2: Convert to fraction form
    671,821.67/1,008,054.48 = 419,037.14/x
  3. Step 3: Cross multiply
    671,821.67x = 1,008,054.48 × 419,037.14
  4. Step 4: Simplify right side
    671,821.67x = 422,412,266,263.39
  5. Step 5: Solve for x
    x = 422,412,266,263.39/671,821.67
  6. Step 6: Final answer
    x = 628,756.54

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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.