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Finding the Fourth Proportional to 1,049.52, 1,448.64 and 700.14

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Solution

The fourth proportional to 1,049.52, 1,448.64 and 700.14 is: 966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.52 : 1,448.64 = 700.14 : x
  2. Step 2: Convert to fraction form
    1,049.52/1,448.64 = 700.14/x
  3. Step 3: Cross multiply
    1,049.52x = 1,448.64 × 700.14
  4. Step 4: Simplify right side
    1,049.52x = 1,014,250.81
  5. Step 5: Solve for x
    x = 1,014,250.81/1,049.52
  6. Step 6: Final answer
    x = 966.39

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1.5x scale

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.