Finding the Fourth Proportional to 891,428.80, 1,336,552.80 and 492,260.80
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Solution
The fourth proportional to 891,428.80, 1,336,552.80 and 492,260.80 is: 738,065.17
Step by Step Solution
- Step 1: Write the proportion equation
891,428.80 : 1,336,552.80 = 492,260.80 : x - Step 2: Convert to fraction form
891,428.80/1,336,552.80 = 492,260.80/x - Step 3: Cross multiply
891,428.80x = 1,336,552.80 × 492,260.80 - Step 4: Simplify right side
891,428.80x = 657,932,550,570.24 - Step 5: Solve for x
x = 657,932,550,570.24/891,428.80 - Step 6: Final answer
x = 738,065.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.