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Finding the Fourth Proportional to 1,039.99, 1,435.19 and 597.98

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Solution

The fourth proportional to 1,039.99, 1,435.19 and 597.98 is: 825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.99 : 1,435.19 = 597.98 : x
  2. Step 2: Convert to fraction form
    1,039.99/1,435.19 = 597.98/x
  3. Step 3: Cross multiply
    1,039.99x = 1,435.19 × 597.98
  4. Step 4: Simplify right side
    1,039.99x = 858,204.75
  5. Step 5: Solve for x
    x = 858,204.75/1,039.99
  6. Step 6: Final answer
    x = 825.21

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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.