Finding the Fourth Proportional to 868,643.69, 1,302,984.45 and 611,425.14
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Solution
The fourth proportional to 868,643.69, 1,302,984.45 and 611,425.14 is: 917,151.03
Step by Step Solution
- Step 1: Write the proportion equation
868,643.69 : 1,302,984.45 = 611,425.14 : x - Step 2: Convert to fraction form
868,643.69/1,302,984.45 = 611,425.14/x - Step 3: Cross multiply
868,643.69x = 1,302,984.45 × 611,425.14 - Step 4: Simplify right side
868,643.69x = 796,677,449,759.07 - Step 5: Solve for x
x = 796,677,449,759.07/868,643.69 - Step 6: Final answer
x = 917,151.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.