Finding the Fourth Proportional to 946,381.90, 1,305,957.62 and 516,578.99
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Solution
The fourth proportional to 946,381.90, 1,305,957.62 and 516,578.99 is: 712,852.04
Step by Step Solution
- Step 1: Write the proportion equation
946,381.90 : 1,305,957.62 = 516,578.99 : x - Step 2: Convert to fraction form
946,381.90/1,305,957.62 = 516,578.99/x - Step 3: Cross multiply
946,381.90x = 1,305,957.62 × 516,578.99 - Step 4: Simplify right side
946,381.90x = 674,630,268,322.40 - Step 5: Solve for x
x = 674,630,268,322.40/946,381.90 - Step 6: Final answer
x = 712,852.04
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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.