Finding the Fourth Proportional to 793,812.96, 1,095,482.88 and 454,390.56
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Solution
The fourth proportional to 793,812.96, 1,095,482.88 and 454,390.56 is: 627,070.99
Step by Step Solution
- Step 1: Write the proportion equation
793,812.96 : 1,095,482.88 = 454,390.56 : x - Step 2: Convert to fraction form
793,812.96/1,095,482.88 = 454,390.56/x - Step 3: Cross multiply
793,812.96x = 1,095,482.88 × 454,390.56 - Step 4: Simplify right side
793,812.96x = 497,777,079,313.61 - Step 5: Solve for x
x = 497,777,079,313.61/793,812.96 - Step 6: Final answer
x = 627,070.99
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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.