Finding the Fourth Proportional to 807,653.80, 1,211,480.70 and 492,725.80
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Solution
The fourth proportional to 807,653.80, 1,211,480.70 and 492,725.80 is: 739,088.70
Step by Step Solution
- Step 1: Write the proportion equation
807,653.80 : 1,211,480.70 = 492,725.80 : x - Step 2: Convert to fraction form
807,653.80/1,211,480.70 = 492,725.80/x - Step 3: Cross multiply
807,653.80x = 1,211,480.70 × 492,725.80 - Step 4: Simplify right side
807,653.80x = 596,927,797,092.06 - Step 5: Solve for x
x = 596,927,797,092.06/807,653.80 - Step 6: Final answer
x = 739,088.70
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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.