Finding the Fourth Proportional to 802,790.70, 1,107,677.76 and 463,062.12
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Solution
The fourth proportional to 802,790.70, 1,107,677.76 and 463,062.12 is: 638,925.70
Step by Step Solution
- Step 1: Write the proportion equation
802,790.70 : 1,107,677.76 = 463,062.12 : x - Step 2: Convert to fraction form
802,790.70/1,107,677.76 = 463,062.12/x - Step 3: Cross multiply
802,790.70x = 1,107,677.76 × 463,062.12 - Step 4: Simplify right side
802,790.70x = 512,923,611,822.45 - Step 5: Solve for x
x = 512,923,611,822.45/802,790.70 - Step 6: Final answer
x = 638,925.70
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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.