Home / 810,149.31-1,118,028.62-447,596.55

Finding the Fourth Proportional to 810,149.31, 1,118,028.62 and 447,596.55

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Solution

The fourth proportional to 810,149.31, 1,118,028.62 and 447,596.55 is: 617,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,149.31 : 1,118,028.62 = 447,596.55 : x
  2. Step 2: Convert to fraction form
    810,149.31/1,118,028.62 = 447,596.55/x
  3. Step 3: Cross multiply
    810,149.31x = 1,118,028.62 × 447,596.55
  4. Step 4: Simplify right side
    810,149.31x = 500,425,754,232.25
  5. Step 5: Solve for x
    x = 500,425,754,232.25/810,149.31
  6. Step 6: Final answer
    x = 617,695.71

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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.