Home / 1,050.21-1,449.50-608.09

Finding the Fourth Proportional to 1,050.21, 1,449.50 and 608.09

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Solution

The fourth proportional to 1,050.21, 1,449.50 and 608.09 is: 839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.21 : 1,449.50 = 608.09 : x
  2. Step 2: Convert to fraction form
    1,050.21/1,449.50 = 608.09/x
  3. Step 3: Cross multiply
    1,050.21x = 1,449.50 × 608.09
  4. Step 4: Simplify right side
    1,050.21x = 881,416.17
  5. Step 5: Solve for x
    x = 881,416.17/1,050.21
  6. Step 6: Final answer
    x = 839.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.