Finding the Fourth Proportional to 992,701.22, 1,488,486.87 and 677,539.94
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Solution
The fourth proportional to 992,701.22, 1,488,486.87 and 677,539.94 is: 1,015,924.31
Step by Step Solution
- Step 1: Write the proportion equation
992,701.22 : 1,488,486.87 = 677,539.94 : x - Step 2: Convert to fraction form
992,701.22/1,488,486.87 = 677,539.94/x - Step 3: Cross multiply
992,701.22x = 1,488,486.87 × 677,539.94 - Step 4: Simplify right side
992,701.22x = 1,008,509,304,590.59 - Step 5: Solve for x
x = 1,008,509,304,590.59/992,701.22 - Step 6: Final answer
x = 1,015,924.31
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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.