Home / 1,030.97-1,546.60-300.45

Finding the Fourth Proportional to 1,030.97, 1,546.60 and 300.45

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Solution

The fourth proportional to 1,030.97, 1,546.60 and 300.45 is: 450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.97 : 1,546.60 = 300.45 : x
  2. Step 2: Convert to fraction form
    1,030.97/1,546.60 = 300.45/x
  3. Step 3: Cross multiply
    1,030.97x = 1,546.60 × 300.45
  4. Step 4: Simplify right side
    1,030.97x = 464,675.22
  5. Step 5: Solve for x
    x = 464,675.22/1,030.97
  6. Step 6: Final answer
    x = 450.72

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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.