Finding the Fourth Proportional to 987,067.98, 1,362,154.28 and 534,358.98
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Solution
The fourth proportional to 987,067.98, 1,362,154.28 and 534,358.98 is: 737,415.64
Step by Step Solution
- Step 1: Write the proportion equation
987,067.98 : 1,362,154.28 = 534,358.98 : x - Step 2: Convert to fraction form
987,067.98/1,362,154.28 = 534,358.98/x - Step 3: Cross multiply
987,067.98x = 1,362,154.28 × 534,358.98 - Step 4: Simplify right side
987,067.98x = 727,879,368,991.64 - Step 5: Solve for x
x = 727,879,368,991.64/987,067.98 - Step 6: Final answer
x = 737,415.64
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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.