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Finding the Fourth Proportional to 1,059.96, 1,590.62 and 573.36

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Solution

The fourth proportional to 1,059.96, 1,590.62 and 573.36 is: 860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.96 : 1,590.62 = 573.36 : x
  2. Step 2: Convert to fraction form
    1,059.96/1,590.62 = 573.36/x
  3. Step 3: Cross multiply
    1,059.96x = 1,590.62 × 573.36
  4. Step 4: Simplify right side
    1,059.96x = 911,997.88
  5. Step 5: Solve for x
    x = 911,997.88/1,059.96
  6. Step 6: Final answer
    x = 860.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.