Home / 699,424.80-1,049,138.82-299,806.44

Finding the Fourth Proportional to 699,424.80, 1,049,138.82 and 299,806.44

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Solution

The fourth proportional to 699,424.80, 1,049,138.82 and 299,806.44 is: 449,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,424.80 : 1,049,138.82 = 299,806.44 : x
  2. Step 2: Convert to fraction form
    699,424.80/1,049,138.82 = 299,806.44/x
  3. Step 3: Cross multiply
    699,424.80x = 1,049,138.82 × 299,806.44
  4. Step 4: Simplify right side
    699,424.80x = 314,538,574,690.00
  5. Step 5: Solve for x
    x = 314,538,574,690.00/699,424.80
  6. Step 6: Final answer
    x = 449,710.35

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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.