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Finding the Fourth Proportional to 1,075.05, 1,483.69 and 603.03

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Solution

The fourth proportional to 1,075.05, 1,483.69 and 603.03 is: 832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.05 : 1,483.69 = 603.03 : x
  2. Step 2: Convert to fraction form
    1,075.05/1,483.69 = 603.03/x
  3. Step 3: Cross multiply
    1,075.05x = 1,483.69 × 603.03
  4. Step 4: Simplify right side
    1,075.05x = 894,709.58
  5. Step 5: Solve for x
    x = 894,709.58/1,075.05
  6. Step 6: Final answer
    x = 832.25

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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.