Home / 716,822.38-1,075,232.27-211,738.06

Finding the Fourth Proportional to 716,822.38, 1,075,232.27 and 211,738.06

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Solution

The fourth proportional to 716,822.38, 1,075,232.27 and 211,738.06 is: 317,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,822.38 : 1,075,232.27 = 211,738.06 : x
  2. Step 2: Convert to fraction form
    716,822.38/1,075,232.27 = 211,738.06/x
  3. Step 3: Cross multiply
    716,822.38x = 1,075,232.27 × 211,738.06
  4. Step 4: Simplify right side
    716,822.38x = 227,667,596,772.58
  5. Step 5: Solve for x
    x = 227,667,596,772.58/716,822.38
  6. Step 6: Final answer
    x = 317,606.71

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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.