Finding the Fourth Proportional to 712,233.68, 982,881.99 and 389,943.69
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Solution
The fourth proportional to 712,233.68, 982,881.99 and 389,943.69 is: 538,122.03
Step by Step Solution
- Step 1: Write the proportion equation
712,233.68 : 982,881.99 = 389,943.69 : x - Step 2: Convert to fraction form
712,233.68/982,881.99 = 389,943.69/x - Step 3: Cross multiply
712,233.68x = 982,881.99 × 389,943.69 - Step 4: Simplify right side
712,233.68x = 383,268,630,015.14 - Step 5: Solve for x
x = 383,268,630,015.14/712,233.68 - Step 6: Final answer
x = 538,122.03
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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.