Finding the Fourth Proportional to 739,808.80, 1,020,936.06 and 400,277.08
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Solution
The fourth proportional to 739,808.80, 1,020,936.06 and 400,277.08 is: 552,382.32
Step by Step Solution
- Step 1: Write the proportion equation
739,808.80 : 1,020,936.06 = 400,277.08 : x - Step 2: Convert to fraction form
739,808.80/1,020,936.06 = 400,277.08/x - Step 3: Cross multiply
739,808.80x = 1,020,936.06 × 400,277.08 - Step 4: Simplify right side
739,808.80x = 408,657,304,963.51 - Step 5: Solve for x
x = 408,657,304,963.51/739,808.80 - Step 6: Final answer
x = 552,382.32
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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.