Finding the Fourth Proportional to 769,487.14, 1,154,537.71 and 320,517.62
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Solution
The fourth proportional to 769,487.14, 1,154,537.71 and 320,517.62 is: 480,904.31
Step by Step Solution
- Step 1: Write the proportion equation
769,487.14 : 1,154,537.71 = 320,517.62 : x - Step 2: Convert to fraction form
769,487.14/1,154,537.71 = 320,517.62/x - Step 3: Cross multiply
769,487.14x = 1,154,537.71 × 320,517.62 - Step 4: Simplify right side
769,487.14x = 370,049,679,009.45 - Step 5: Solve for x
x = 370,049,679,009.45/769,487.14 - Step 6: Final answer
x = 480,904.31
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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.