Finding the Fourth Proportional to 712,233.66, 982,881.98 and 389,943.68
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Solution
The fourth proportional to 712,233.66, 982,881.98 and 389,943.68 is: 538,122.02
Step by Step Solution
- Step 1: Write the proportion equation
712,233.66 : 982,881.98 = 389,943.68 : x - Step 2: Convert to fraction form
712,233.66/982,881.98 = 389,943.68/x - Step 3: Cross multiply
712,233.66x = 982,881.98 × 389,943.68 - Step 4: Simplify right side
712,233.66x = 383,268,616,286.89 - Step 5: Solve for x
x = 383,268,616,286.89/712,233.66 - Step 6: Final answer
x = 538,122.02
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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.