Finding the Fourth Proportional to 660,928.82, 991,414.62 and 314,637.08
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Solution
The fourth proportional to 660,928.82, 991,414.62 and 314,637.08 is: 471,965.80
Step by Step Solution
- Step 1: Write the proportion equation
660,928.82 : 991,414.62 = 314,637.08 : x - Step 2: Convert to fraction form
660,928.82/991,414.62 = 314,637.08/x - Step 3: Cross multiply
660,928.82x = 991,414.62 × 314,637.08 - Step 4: Simplify right side
660,928.82x = 311,935,796,149.04 - Step 5: Solve for x
x = 311,935,796,149.04/660,928.82 - Step 6: Final answer
x = 471,965.80
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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.