Home / 905,364.05-1,356,716.86-455,466.56

Finding the Fourth Proportional to 905,364.05, 1,356,716.86 and 455,466.56

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Solution

The fourth proportional to 905,364.05, 1,356,716.86 and 455,466.56 is: 682,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,364.05 : 1,356,716.86 = 455,466.56 : x
  2. Step 2: Convert to fraction form
    905,364.05/1,356,716.86 = 455,466.56/x
  3. Step 3: Cross multiply
    905,364.05x = 1,356,716.86 × 455,466.56
  4. Step 4: Simplify right side
    905,364.05x = 617,939,153,195.95
  5. Step 5: Solve for x
    x = 617,939,153,195.95/905,364.05
  6. Step 6: Final answer
    x = 682,531.14

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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.