Finding the Fourth Proportional to 775,583.68, 1,162,747.95 and 348,806.95
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Solution
The fourth proportional to 775,583.68, 1,162,747.95 and 348,806.95 is: 522,928.18
Step by Step Solution
- Step 1: Write the proportion equation
775,583.68 : 1,162,747.95 = 348,806.95 : x - Step 2: Convert to fraction form
775,583.68/1,162,747.95 = 348,806.95/x - Step 3: Cross multiply
775,583.68x = 1,162,747.95 × 348,806.95 - Step 4: Simplify right side
775,583.68x = 405,574,566,058.25 - Step 5: Solve for x
x = 405,574,566,058.25/775,583.68 - Step 6: Final answer
x = 522,928.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.