Finding the Fourth Proportional to 949,892.90, 1,310,812.82 and 520,165.62
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Solution
The fourth proportional to 949,892.90, 1,310,812.82 and 520,165.62 is: 717,806.99
Step by Step Solution
- Step 1: Write the proportion equation
949,892.90 : 1,310,812.82 = 520,165.62 : x - Step 2: Convert to fraction form
949,892.90/1,310,812.82 = 520,165.62/x - Step 3: Cross multiply
949,892.90x = 1,310,812.82 × 520,165.62 - Step 4: Simplify right side
949,892.90x = 681,839,760,618.42 - Step 5: Solve for x
x = 681,839,760,618.42/949,892.90 - Step 6: Final answer
x = 717,806.99
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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.