Finding the Fourth Proportional to 877,508.44, 1,316,262.66 and 212,660.44
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Solution
The fourth proportional to 877,508.44, 1,316,262.66 and 212,660.44 is: 318,990.66
Step by Step Solution
- Step 1: Write the proportion equation
877,508.44 : 1,316,262.66 = 212,660.44 : x - Step 2: Convert to fraction form
877,508.44/1,316,262.66 = 212,660.44/x - Step 3: Cross multiply
877,508.44x = 1,316,262.66 × 212,660.44 - Step 4: Simplify right side
877,508.44x = 279,916,992,343.04 - Step 5: Solve for x
x = 279,916,992,343.04/877,508.44 - Step 6: Final answer
x = 318,990.66
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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.