Home / 451,987.15-677,214.29-300,077.95

Finding the Fourth Proportional to 451,987.15, 677,214.29 and 300,077.95

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Solution

The fourth proportional to 451,987.15, 677,214.29 and 300,077.95 is: 449,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,987.15 : 677,214.29 = 300,077.95 : x
  2. Step 2: Convert to fraction form
    451,987.15/677,214.29 = 300,077.95/x
  3. Step 3: Cross multiply
    451,987.15x = 677,214.29 × 300,077.95
  4. Step 4: Simplify right side
    451,987.15x = 203,217,074,353.52
  5. Step 5: Solve for x
    x = 203,217,074,353.52/451,987.15
  6. Step 6: Final answer
    x = 449,608.08

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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.