Finding the Fourth Proportional to 990,527.12, 1,366,913.40 and 560,796.08
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Solution
The fourth proportional to 990,527.12, 1,366,913.40 and 560,796.08 is: 773,890.65
Step by Step Solution
- Step 1: Write the proportion equation
990,527.12 : 1,366,913.40 = 560,796.08 : x - Step 2: Convert to fraction form
990,527.12/1,366,913.40 = 560,796.08/x - Step 3: Cross multiply
990,527.12x = 1,366,913.40 × 560,796.08 - Step 4: Simplify right side
990,527.12x = 766,559,676,419.47 - Step 5: Solve for x
x = 766,559,676,419.47/990,527.12 - Step 6: Final answer
x = 773,890.65
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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.