Finding the Fourth Proportional to 805,028.58, 1,110,950.94 and 442,485.96
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Solution
The fourth proportional to 805,028.58, 1,110,950.94 and 442,485.96 is: 610,636.95
Step by Step Solution
- Step 1: Write the proportion equation
805,028.58 : 1,110,950.94 = 442,485.96 : x - Step 2: Convert to fraction form
805,028.58/1,110,950.94 = 442,485.96/x - Step 3: Cross multiply
805,028.58x = 1,110,950.94 × 442,485.96 - Step 4: Simplify right side
805,028.58x = 491,580,193,198.80 - Step 5: Solve for x
x = 491,580,193,198.80/805,028.58 - Step 6: Final answer
x = 610,636.95
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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.