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Finding the Fourth Proportional to 1,075.05, 1,482.97 and 632.89

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Solution

The fourth proportional to 1,075.05, 1,482.97 and 632.89 is: 873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.05 : 1,482.97 = 632.89 : x
  2. Step 2: Convert to fraction form
    1,075.05/1,482.97 = 632.89/x
  3. Step 3: Cross multiply
    1,075.05x = 1,482.97 × 632.89
  4. Step 4: Simplify right side
    1,075.05x = 938,556.88
  5. Step 5: Solve for x
    x = 938,556.88/1,075.05
  6. Step 6: Final answer
    x = 873.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.