Finding the Fourth Proportional to 961,912.14, 1,442,853.63 and 330,831.42
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Solution
The fourth proportional to 961,912.14, 1,442,853.63 and 330,831.42 is: 496,242.12
Step by Step Solution
- Step 1: Write the proportion equation
961,912.14 : 1,442,853.63 = 330,831.42 : x - Step 2: Convert to fraction form
961,912.14/1,442,853.63 = 330,831.42/x - Step 3: Cross multiply
961,912.14x = 1,442,853.63 × 330,831.42 - Step 4: Simplify right side
961,912.14x = 477,341,315,265.06 - Step 5: Solve for x
x = 477,341,315,265.06/961,912.14 - Step 6: Final answer
x = 496,242.12
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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.