Finding the Fourth Proportional to 782,282.17, 1,079,364.37 and 442,750.42
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Solution
The fourth proportional to 782,282.17, 1,079,364.37 and 442,750.42 is: 610,890.86
Step by Step Solution
- Step 1: Write the proportion equation
782,282.17 : 1,079,364.37 = 442,750.42 : x - Step 2: Convert to fraction form
782,282.17/1,079,364.37 = 442,750.42/x - Step 3: Cross multiply
782,282.17x = 1,079,364.37 × 442,750.42 - Step 4: Simplify right side
782,282.17x = 477,889,028,150.54 - Step 5: Solve for x
x = 477,889,028,150.54/782,282.17 - Step 6: Final answer
x = 610,890.86
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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.