Home / 876,350.87-1,314,512.63-449,640.44

Finding the Fourth Proportional to 876,350.87, 1,314,512.63 and 449,640.44

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Solution

The fourth proportional to 876,350.87, 1,314,512.63 and 449,640.44 is: 674,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,350.87 : 1,314,512.63 = 449,640.44 : x
  2. Step 2: Convert to fraction form
    876,350.87/1,314,512.63 = 449,640.44/x
  3. Step 3: Cross multiply
    876,350.87x = 1,314,512.63 × 449,640.44
  4. Step 4: Simplify right side
    876,350.87x = 591,058,037,338.76
  5. Step 5: Solve for x
    x = 591,058,037,338.76/876,350.87
  6. Step 6: Final answer
    x = 674,453.64

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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.