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Finding the Fourth Proportional to 750.00, 1,034.80 and 484.46

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Solution

The fourth proportional to 750.00, 1,034.80 and 484.46 is: 668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.00 : 1,034.80 = 484.46 : x
  2. Step 2: Convert to fraction form
    750.00/1,034.80 = 484.46/x
  3. Step 3: Cross multiply
    750.00x = 1,034.80 × 484.46
  4. Step 4: Simplify right side
    750.00x = 501,314.76
  5. Step 5: Solve for x
    x = 501,314.76/750.00
  6. Step 6: Final answer
    x = 668.42

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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.