Finding the Fourth Proportional to 664,543.84, 917,070.26 and 362,737.84
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Solution
The fourth proportional to 664,543.84, 917,070.26 and 362,737.84 is: 500,578.09
Step by Step Solution
- Step 1: Write the proportion equation
664,543.84 : 917,070.26 = 362,737.84 : x - Step 2: Convert to fraction form
664,543.84/917,070.26 = 362,737.84/x - Step 3: Cross multiply
664,543.84x = 917,070.26 × 362,737.84 - Step 4: Simplify right side
664,543.84x = 332,656,085,240.64 - Step 5: Solve for x
x = 332,656,085,240.64/664,543.84 - Step 6: Final answer
x = 500,578.09
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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.