Finding the Fourth Proportional to 509,802.64, 703,236.99 and 316,121.92
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Solution
The fourth proportional to 509,802.64, 703,236.99 and 316,121.92 is: 436,068.02
Step by Step Solution
- Step 1: Write the proportion equation
509,802.64 : 703,236.99 = 316,121.92 : x - Step 2: Convert to fraction form
509,802.64/703,236.99 = 316,121.92/x - Step 3: Cross multiply
509,802.64x = 703,236.99 × 316,121.92 - Step 4: Simplify right side
509,802.64x = 222,308,627,493.82 - Step 5: Solve for x
x = 222,308,627,493.82/509,802.64 - Step 6: Final answer
x = 436,068.02
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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.