Home / 674,403.96-1,011,765-218,993.73

Finding the Fourth Proportional to 674,403.96, 1,011,765 and 218,993.73

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Solution

The fourth proportional to 674,403.96, 1,011,765 and 218,993.73 is: 328,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,403.96 : 1,011,765 = 218,993.73 : x
  2. Step 2: Convert to fraction form
    674,403.96/1,011,765 = 218,993.73/x
  3. Step 3: Cross multiply
    674,403.96x = 1,011,765 × 218,993.73
  4. Step 4: Simplify right side
    674,403.96x = 221,570,191,233.45
  5. Step 5: Solve for x
    x = 221,570,191,233.45/674,403.96
  6. Step 6: Final answer
    x = 328,542.25

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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.