Finding the Fourth Proportional to 922,765.05, 1,382,981.18 and 822,454.65
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Solution
The fourth proportional to 922,765.05, 1,382,981.18 and 822,454.65 is: 1,232,642.37
Step by Step Solution
- Step 1: Write the proportion equation
922,765.05 : 1,382,981.18 = 822,454.65 : x - Step 2: Convert to fraction form
922,765.05/1,382,981.18 = 822,454.65/x - Step 3: Cross multiply
922,765.05x = 1,382,981.18 × 822,454.65 - Step 4: Simplify right side
922,765.05x = 1,137,439,298,241.21 - Step 5: Solve for x
x = 1,137,439,298,241.21/922,765.05 - Step 6: Final answer
x = 1,232,642.37
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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.