Finding the Fourth Proportional to 653,772.62, 982,135.22 and 387,707.67
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Solution
The fourth proportional to 653,772.62, 982,135.22 and 387,707.67 is: 582,436.99
Step by Step Solution
- Step 1: Write the proportion equation
653,772.62 : 982,135.22 = 387,707.67 : x - Step 2: Convert to fraction form
653,772.62/982,135.22 = 387,707.67/x - Step 3: Cross multiply
653,772.62x = 982,135.22 × 387,707.67 - Step 4: Simplify right side
653,772.62x = 380,781,357,771.14 - Step 5: Solve for x
x = 380,781,357,771.14/653,772.62 - Step 6: Final answer
x = 582,436.99
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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.