Finding the Fourth Proportional to 866,639.98, 1,195,959.09 and 484,668.28
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Solution
The fourth proportional to 866,639.98, 1,195,959.09 and 484,668.28 is: 668,839.94
Step by Step Solution
- Step 1: Write the proportion equation
866,639.98 : 1,195,959.09 = 484,668.28 : x - Step 2: Convert to fraction form
866,639.98/1,195,959.09 = 484,668.28/x - Step 3: Cross multiply
866,639.98x = 1,195,959.09 × 484,668.28 - Step 4: Simplify right side
866,639.98x = 579,643,435,100.67 - Step 5: Solve for x
x = 579,643,435,100.67/866,639.98 - Step 6: Final answer
x = 668,839.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.