Finding the Fourth Proportional to 791,971.92, 1,188,076.42 and 286,651.13
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Solution
The fourth proportional to 791,971.92, 1,188,076.42 and 286,651.13 is: 430,019.59
Step by Step Solution
- Step 1: Write the proportion equation
791,971.92 : 1,188,076.42 = 286,651.13 : x - Step 2: Convert to fraction form
791,971.92/1,188,076.42 = 286,651.13/x - Step 3: Cross multiply
791,971.92x = 1,188,076.42 × 286,651.13 - Step 4: Simplify right side
791,971.92x = 340,563,442,378.97 - Step 5: Solve for x
x = 340,563,442,378.97/791,971.92 - Step 6: Final answer
x = 430,019.59
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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.