Finding the Fourth Proportional to 922,601.20, 1,384,088.58 and 390,121.36
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Solution
The fourth proportional to 922,601.20, 1,384,088.58 and 390,121.36 is: 585,261.02
Step by Step Solution
- Step 1: Write the proportion equation
922,601.20 : 1,384,088.58 = 390,121.36 : x - Step 2: Convert to fraction form
922,601.20/1,384,088.58 = 390,121.36/x - Step 3: Cross multiply
922,601.20x = 1,384,088.58 × 390,121.36 - Step 4: Simplify right side
922,601.20x = 539,962,519,190.07 - Step 5: Solve for x
x = 539,962,519,190.07/922,601.20 - Step 6: Final answer
x = 585,261.02
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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.