Home / 876,747.77-1,314,880.43-300,362.57

Finding the Fourth Proportional to 876,747.77, 1,314,880.43 and 300,362.57

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Solution

The fourth proportional to 876,747.77, 1,314,880.43 and 300,362.57 is: 450,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,747.77 : 1,314,880.43 = 300,362.57 : x
  2. Step 2: Convert to fraction form
    876,747.77/1,314,880.43 = 300,362.57/x
  3. Step 3: Cross multiply
    876,747.77x = 1,314,880.43 × 300,362.57
  4. Step 4: Simplify right side
    876,747.77x = 394,940,857,121.29
  5. Step 5: Solve for x
    x = 394,940,857,121.29/876,747.77
  6. Step 6: Final answer
    x = 450,461.21

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1.5x scale

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.