Finding the Fourth Proportional to 983,636.18, 1,475,653.16 and 415,018.68
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Solution
The fourth proportional to 983,636.18, 1,475,653.16 and 415,018.68 is: 622,611.94
Step by Step Solution
- Step 1: Write the proportion equation
983,636.18 : 1,475,653.16 = 415,018.68 : x - Step 2: Convert to fraction form
983,636.18/1,475,653.16 = 415,018.68/x - Step 3: Cross multiply
983,636.18x = 1,475,653.16 × 415,018.68 - Step 4: Simplify right side
983,636.18x = 612,423,626,601.03 - Step 5: Solve for x
x = 612,423,626,601.03/983,636.18 - Step 6: Final answer
x = 622,611.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.