Finding the Fourth Proportional to 945,189.98, 1,304,310.88 and 537,235.21
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Solution
The fourth proportional to 945,189.98, 1,304,310.88 and 537,235.21 is: 741,355.44
Step by Step Solution
- Step 1: Write the proportion equation
945,189.98 : 1,304,310.88 = 537,235.21 : x - Step 2: Convert to fraction form
945,189.98/1,304,310.88 = 537,235.21/x - Step 3: Cross multiply
945,189.98x = 1,304,310.88 × 537,235.21 - Step 4: Simplify right side
945,189.98x = 700,721,729,522.09 - Step 5: Solve for x
x = 700,721,729,522.09/945,189.98 - Step 6: Final answer
x = 741,355.44
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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.