Finding the Fourth Proportional to 809,067.42, 1,116,032.04 and 522,756.36
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Solution
The fourth proportional to 809,067.42, 1,116,032.04 and 522,756.36 is: 721,092.99
Step by Step Solution
- Step 1: Write the proportion equation
809,067.42 : 1,116,032.04 = 522,756.36 : x - Step 2: Convert to fraction form
809,067.42/1,116,032.04 = 522,756.36/x - Step 3: Cross multiply
809,067.42x = 1,116,032.04 × 522,756.36 - Step 4: Simplify right side
809,067.42x = 583,412,846,873.77 - Step 5: Solve for x
x = 583,412,846,873.77/809,067.42 - Step 6: Final answer
x = 721,092.99
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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.