Home / 1,476.75-2,214.60-436.47

Finding the Fourth Proportional to 1,476.75, 2,214.60 and 436.47

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Solution

The fourth proportional to 1,476.75, 2,214.60 and 436.47 is: 654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.75 : 2,214.60 = 436.47 : x
  2. Step 2: Convert to fraction form
    1,476.75/2,214.60 = 436.47/x
  3. Step 3: Cross multiply
    1,476.75x = 2,214.60 × 436.47
  4. Step 4: Simplify right side
    1,476.75x = 966,606.46
  5. Step 5: Solve for x
    x = 966,606.46/1,476.75
  6. Step 6: Final answer
    x = 654.55

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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.