Finding the Fourth Proportional to 628,816.93, 867,767.11 and 342,336.94
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Solution
The fourth proportional to 628,816.93, 867,767.11 and 342,336.94 is: 472,424.84
Step by Step Solution
- Step 1: Write the proportion equation
628,816.93 : 867,767.11 = 342,336.94 : x - Step 2: Convert to fraction form
628,816.93/867,767.11 = 342,336.94/x - Step 3: Cross multiply
628,816.93x = 867,767.11 × 342,336.94 - Step 4: Simplify right side
628,816.93x = 297,068,737,070.04 - Step 5: Solve for x
x = 297,068,737,070.04/628,816.93 - Step 6: Final answer
x = 472,424.84
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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.