Home / 718,185.75-1,077,535.85-307,682.80

Finding the Fourth Proportional to 718,185.75, 1,077,535.85 and 307,682.80

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Solution

The fourth proportional to 718,185.75, 1,077,535.85 and 307,682.80 is: 461,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,185.75 : 1,077,535.85 = 307,682.80 : x
  2. Step 2: Convert to fraction form
    718,185.75/1,077,535.85 = 307,682.80/x
  3. Step 3: Cross multiply
    718,185.75x = 1,077,535.85 × 307,682.80
  4. Step 4: Simplify right side
    718,185.75x = 331,539,247,428.38
  5. Step 5: Solve for x
    x = 331,539,247,428.38/718,185.75
  6. Step 6: Final answer
    x = 461,634.40

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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.