Finding the Fourth Proportional to 917,246.46, 1,265,757.52 and 509,374.14
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Solution
The fourth proportional to 917,246.46, 1,265,757.52 and 509,374.14 is: 702,912.66
Step by Step Solution
- Step 1: Write the proportion equation
917,246.46 : 1,265,757.52 = 509,374.14 : x - Step 2: Convert to fraction form
917,246.46/1,265,757.52 = 509,374.14/x - Step 3: Cross multiply
917,246.46x = 1,265,757.52 × 509,374.14 - Step 4: Simplify right side
917,246.46x = 644,744,148,198.53 - Step 5: Solve for x
x = 644,744,148,198.53/917,246.46 - Step 6: Final answer
x = 702,912.66
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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.