Finding the Fourth Proportional to 999,119.62, 1,378,782.12 and 540,230.92
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Solution
The fourth proportional to 999,119.62, 1,378,782.12 and 540,230.92 is: 745,517.07
Step by Step Solution
- Step 1: Write the proportion equation
999,119.62 : 1,378,782.12 = 540,230.92 : x - Step 2: Convert to fraction form
999,119.62/1,378,782.12 = 540,230.92/x - Step 3: Cross multiply
999,119.62x = 1,378,782.12 × 540,230.92 - Step 4: Simplify right side
999,119.62x = 744,860,733,167.15 - Step 5: Solve for x
x = 744,860,733,167.15/999,119.62 - Step 6: Final answer
x = 745,517.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.