Finding the Fourth Proportional to 891,557.28, 1,230,352.74 and 509,596.92
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Solution
The fourth proportional to 891,557.28, 1,230,352.74 and 509,596.92 is: 703,245.86
Step by Step Solution
- Step 1: Write the proportion equation
891,557.28 : 1,230,352.74 = 509,596.92 : x - Step 2: Convert to fraction form
891,557.28/1,230,352.74 = 509,596.92/x - Step 3: Cross multiply
891,557.28x = 1,230,352.74 × 509,596.92 - Step 4: Simplify right side
891,557.28x = 626,983,966,817.56 - Step 5: Solve for x
x = 626,983,966,817.56/891,557.28 - Step 6: Final answer
x = 703,245.86
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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.