Finding the Fourth Proportional to 708,272.62, 977,391.39 and 385,976.14
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Solution
The fourth proportional to 708,272.62, 977,391.39 and 385,976.14 is: 532,633.54
Step by Step Solution
- Step 1: Write the proportion equation
708,272.62 : 977,391.39 = 385,976.14 : x - Step 2: Convert to fraction form
708,272.62/977,391.39 = 385,976.14/x - Step 3: Cross multiply
708,272.62x = 977,391.39 × 385,976.14 - Step 4: Simplify right side
708,272.62x = 377,249,755,981.44 - Step 5: Solve for x
x = 377,249,755,981.44/708,272.62 - Step 6: Final answer
x = 532,633.54
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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.