Finding the Fourth Proportional to 744,866.66, 1,117,310.29 and 212,387.62
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Solution
The fourth proportional to 744,866.66, 1,117,310.29 and 212,387.62 is: 318,584.37
Step by Step Solution
- Step 1: Write the proportion equation
744,866.66 : 1,117,310.29 = 212,387.62 : x - Step 2: Convert to fraction form
744,866.66/1,117,310.29 = 212,387.62/x - Step 3: Cross multiply
744,866.66x = 1,117,310.29 × 212,387.62 - Step 4: Simplify right side
744,866.66x = 237,302,873,294.61 - Step 5: Solve for x
x = 237,302,873,294.61/744,866.66 - Step 6: Final answer
x = 318,584.37
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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.