Finding the Fourth Proportional to 941,042.80, 1,298,646.99 and 511,322.95
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Solution
The fourth proportional to 941,042.80, 1,298,646.99 and 511,322.95 is: 705,629.98
Step by Step Solution
- Step 1: Write the proportion equation
941,042.80 : 1,298,646.99 = 511,322.95 : x - Step 2: Convert to fraction form
941,042.80/1,298,646.99 = 511,322.95/x - Step 3: Cross multiply
941,042.80x = 1,298,646.99 × 511,322.95 - Step 4: Simplify right side
941,042.80x = 664,028,009,935.42 - Step 5: Solve for x
x = 664,028,009,935.42/941,042.80 - Step 6: Final answer
x = 705,629.98
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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.