Finding the Fourth Proportional to 704,073.24, 971,619.84 and 393,976.08
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Solution
The fourth proportional to 704,073.24, 971,619.84 and 393,976.08 is: 543,686.30
Step by Step Solution
- Step 1: Write the proportion equation
704,073.24 : 971,619.84 = 393,976.08 : x - Step 2: Convert to fraction form
704,073.24/971,619.84 = 393,976.08/x - Step 3: Cross multiply
704,073.24x = 971,619.84 × 393,976.08 - Step 4: Simplify right side
704,073.24x = 382,794,975,813.43 - Step 5: Solve for x
x = 382,794,975,813.43/704,073.24 - Step 6: Final answer
x = 543,686.30
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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.