Finding the Fourth Proportional to 989,907.04, 1,366,072.68 and 537,198.04
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Solution
The fourth proportional to 989,907.04, 1,366,072.68 and 537,198.04 is: 741,333.82
Step by Step Solution
- Step 1: Write the proportion equation
989,907.04 : 1,366,072.68 = 537,198.04 : x - Step 2: Convert to fraction form
989,907.04/1,366,072.68 = 537,198.04/x - Step 3: Cross multiply
989,907.04x = 1,366,072.68 × 537,198.04 - Step 4: Simplify right side
989,907.04x = 733,851,566,193.55 - Step 5: Solve for x
x = 733,851,566,193.55/989,907.04 - Step 6: Final answer
x = 741,333.82
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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.