Finding the Fourth Proportional to 922,619.90, 1,272,084.36 and 758,703.62
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Solution
The fourth proportional to 922,619.90, 1,272,084.36 and 758,703.62 is: 1,046,080.85
Step by Step Solution
- Step 1: Write the proportion equation
922,619.90 : 1,272,084.36 = 758,703.62 : x - Step 2: Convert to fraction form
922,619.90/1,272,084.36 = 758,703.62/x - Step 3: Cross multiply
922,619.90x = 1,272,084.36 × 758,703.62 - Step 4: Simplify right side
922,619.90x = 965,135,008,877.38 - Step 5: Solve for x
x = 965,135,008,877.38/922,619.90 - Step 6: Final answer
x = 1,046,080.85
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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.