Home / 716,640.21-1,075,115.84-217,991.25

Finding the Fourth Proportional to 716,640.21, 1,075,115.84 and 217,991.25

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Solution

The fourth proportional to 716,640.21, 1,075,115.84 and 217,991.25 is: 327,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,640.21 : 1,075,115.84 = 217,991.25 : x
  2. Step 2: Convert to fraction form
    716,640.21/1,075,115.84 = 217,991.25/x
  3. Step 3: Cross multiply
    716,640.21x = 1,075,115.84 × 217,991.25
  4. Step 4: Simplify right side
    716,640.21x = 234,365,844,766.44
  5. Step 5: Solve for x
    x = 234,365,844,766.44/716,640.21
  6. Step 6: Final answer
    x = 327,034.18

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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.