Finding the Fourth Proportional to 664,071.80, 994,919.70 and 403,935.80
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Solution
The fourth proportional to 664,071.80, 994,919.70 and 403,935.80 is: 605,181.07
Step by Step Solution
- Step 1: Write the proportion equation
664,071.80 : 994,919.70 = 403,935.80 : x - Step 2: Convert to fraction form
664,071.80/994,919.70 = 403,935.80/x - Step 3: Cross multiply
664,071.80x = 994,919.70 × 403,935.80 - Step 4: Simplify right side
664,071.80x = 401,883,684,955.26 - Step 5: Solve for x
x = 401,883,684,955.26/664,071.80 - Step 6: Final answer
x = 605,181.07
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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.