Home / 872,907.21-1,204,473.18-490,860.18

Finding the Fourth Proportional to 872,907.21, 1,204,473.18 and 490,860.18

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Solution

The fourth proportional to 872,907.21, 1,204,473.18 and 490,860.18 is: 677,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,907.21 : 1,204,473.18 = 490,860.18 : x
  2. Step 2: Convert to fraction form
    872,907.21/1,204,473.18 = 490,860.18/x
  3. Step 3: Cross multiply
    872,907.21x = 1,204,473.18 × 490,860.18
  4. Step 4: Simplify right side
    872,907.21x = 591,227,923,859.02
  5. Step 5: Solve for x
    x = 591,227,923,859.02/872,907.21
  6. Step 6: Final answer
    x = 677,309.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.