Home / 1,433.35-2,150.06-459.46

Finding the Fourth Proportional to 1,433.35, 2,150.06 and 459.46

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Solution

The fourth proportional to 1,433.35, 2,150.06 and 459.46 is: 689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.35 : 2,150.06 = 459.46 : x
  2. Step 2: Convert to fraction form
    1,433.35/2,150.06 = 459.46/x
  3. Step 3: Cross multiply
    1,433.35x = 2,150.06 × 459.46
  4. Step 4: Simplify right side
    1,433.35x = 987,858.90
  5. Step 5: Solve for x
    x = 987,858.90/1,433.35
  6. Step 6: Final answer
    x = 689.20

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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.