Finding the Fourth Proportional to 748,527.06, 1,032,955.29 and 408,988.02
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Solution
The fourth proportional to 748,527.06, 1,032,955.29 and 408,988.02 is: 564,396.88
Step by Step Solution
- Step 1: Write the proportion equation
748,527.06 : 1,032,955.29 = 408,988.02 : x - Step 2: Convert to fraction form
748,527.06/1,032,955.29 = 408,988.02/x - Step 3: Cross multiply
748,527.06x = 1,032,955.29 × 408,988.02 - Step 4: Simplify right side
748,527.06x = 422,466,338,805.63 - Step 5: Solve for x
x = 422,466,338,805.63/748,527.06 - Step 6: Final answer
x = 564,396.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.