Finding the Fourth Proportional to 922,007.42, 1,272,338.79 and 508,560.58
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Solution
The fourth proportional to 922,007.42, 1,272,338.79 and 508,560.58 is: 701,796.26
Step by Step Solution
- Step 1: Write the proportion equation
922,007.42 : 1,272,338.79 = 508,560.58 : x - Step 2: Convert to fraction form
922,007.42/1,272,338.79 = 508,560.58/x - Step 3: Cross multiply
922,007.42x = 1,272,338.79 × 508,560.58 - Step 4: Simplify right side
922,007.42x = 647,061,356,179.75 - Step 5: Solve for x
x = 647,061,356,179.75/922,007.42 - Step 6: Final answer
x = 701,796.26
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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.