Finding the Fourth Proportional to 695,352.98, 959,422.64 and 393,546.98
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Solution
The fourth proportional to 695,352.98, 959,422.64 and 393,546.98 is: 543,001.75
Step by Step Solution
- Step 1: Write the proportion equation
695,352.98 : 959,422.64 = 393,546.98 : x - Step 2: Convert to fraction form
695,352.98/959,422.64 = 393,546.98/x - Step 3: Cross multiply
695,352.98x = 959,422.64 × 393,546.98 - Step 4: Simplify right side
695,352.98x = 377,577,882,515.63 - Step 5: Solve for x
x = 377,577,882,515.63/695,352.98 - Step 6: Final answer
x = 543,001.75
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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.