Finding the Fourth Proportional to 987,104.07, 1,362,203.87 and 534,395.07
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Solution
The fourth proportional to 987,104.07, 1,362,203.87 and 534,395.07 is: 737,465.33
Step by Step Solution
- Step 1: Write the proportion equation
987,104.07 : 1,362,203.87 = 534,395.07 : x - Step 2: Convert to fraction form
987,104.07/1,362,203.87 = 534,395.07/x - Step 3: Cross multiply
987,104.07x = 1,362,203.87 × 534,395.07 - Step 4: Simplify right side
987,104.07x = 727,955,029,790.95 - Step 5: Solve for x
x = 727,955,029,790.95/987,104.07 - Step 6: Final answer
x = 737,465.33
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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.