Home / 1,476.44-2,215.02-436.40

Finding the Fourth Proportional to 1,476.44, 2,215.02 and 436.40

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Solution

The fourth proportional to 1,476.44, 2,215.02 and 436.40 is: 654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.44 : 2,215.02 = 436.40 : x
  2. Step 2: Convert to fraction form
    1,476.44/2,215.02 = 436.40/x
  3. Step 3: Cross multiply
    1,476.44x = 2,215.02 × 436.40
  4. Step 4: Simplify right side
    1,476.44x = 966,634.73
  5. Step 5: Solve for x
    x = 966,634.73/1,476.44
  6. Step 6: Final answer
    x = 654.71

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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.