Finding the Fourth Proportional to 746,185.54, 1,029,609.97 and 419,455.08
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Solution
The fourth proportional to 746,185.54, 1,029,609.97 and 419,455.08 is: 578,777.14
Step by Step Solution
- Step 1: Write the proportion equation
746,185.54 : 1,029,609.97 = 419,455.08 : x - Step 2: Convert to fraction form
746,185.54/1,029,609.97 = 419,455.08/x - Step 3: Cross multiply
746,185.54x = 1,029,609.97 × 419,455.08 - Step 4: Simplify right side
746,185.54x = 431,875,132,335.15 - Step 5: Solve for x
x = 431,875,132,335.15/746,185.54 - Step 6: Final answer
x = 578,777.14
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1.5x scale
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.