Home / 1,012.04-1,396.60-569.98

Finding the Fourth Proportional to 1,012.04, 1,396.60 and 569.98

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Solution

The fourth proportional to 1,012.04, 1,396.60 and 569.98 is: 786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012.04 : 1,396.60 = 569.98 : x
  2. Step 2: Convert to fraction form
    1,012.04/1,396.60 = 569.98/x
  3. Step 3: Cross multiply
    1,012.04x = 1,396.60 × 569.98
  4. Step 4: Simplify right side
    1,012.04x = 796,029.15
  5. Step 5: Solve for x
    x = 796,029.15/1,012.04
  6. Step 6: Final answer
    x = 786.56

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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.