Home / 1,014.40-1,521.60-844.30

Finding the Fourth Proportional to 1,014.40, 1,521.60 and 844.30

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Solution

The fourth proportional to 1,014.40, 1,521.60 and 844.30 is: 1,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.40 : 1,521.60 = 844.30 : x
  2. Step 2: Convert to fraction form
    1,014.40/1,521.60 = 844.30/x
  3. Step 3: Cross multiply
    1,014.40x = 1,521.60 × 844.30
  4. Step 4: Simplify right side
    1,014.40x = 1,284,686.88
  5. Step 5: Solve for x
    x = 1,284,686.88/1,014.40
  6. Step 6: Final answer
    x = 1,266.45

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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.