Finding the Fourth Proportional to 633,543.99, 874,312.47 and 347,064
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Solution
The fourth proportional to 633,543.99, 874,312.47 and 347,064 is: 478,960.24
Step by Step Solution
- Step 1: Write the proportion equation
633,543.99 : 874,312.47 = 347,064 : x - Step 2: Convert to fraction form
633,543.99/874,312.47 = 347,064/x - Step 3: Cross multiply
633,543.99x = 874,312.47 × 347,064 - Step 4: Simplify right side
633,543.99x = 303,442,383,088.08 - Step 5: Solve for x
x = 303,442,383,088.08/633,543.99 - Step 6: Final answer
x = 478,960.24
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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.