Finding the Fourth Proportional to 987,062.63, 1,362,148.25 and 534,353.63
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Solution
The fourth proportional to 987,062.63, 1,362,148.25 and 534,353.63 is: 737,408.99
Step by Step Solution
- Step 1: Write the proportion equation
987,062.63 : 1,362,148.25 = 534,353.63 : x - Step 2: Convert to fraction form
987,062.63/1,362,148.25 = 534,353.63/x - Step 3: Cross multiply
987,062.63x = 1,362,148.25 × 534,353.63 - Step 4: Simplify right side
987,062.63x = 727,868,852,503.14 - Step 5: Solve for x
x = 727,868,852,503.14/987,062.63 - Step 6: Final answer
x = 737,408.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.