Finding the Fourth Proportional to 772,646.70, 1,158,048.45 and 323,366.70
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Solution
The fourth proportional to 772,646.70, 1,158,048.45 and 323,366.70 is: 484,664.34
Step by Step Solution
- Step 1: Write the proportion equation
772,646.70 : 1,158,048.45 = 323,366.70 : x - Step 2: Convert to fraction form
772,646.70/1,158,048.45 = 323,366.70/x - Step 3: Cross multiply
772,646.70x = 1,158,048.45 × 323,366.70 - Step 4: Simplify right side
772,646.70x = 374,474,305,716.62 - Step 5: Solve for x
x = 374,474,305,716.62/772,646.70 - Step 6: Final answer
x = 484,664.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.