Finding the Fourth Proportional to 874,449.96, 1,206,827.01 and 511,851.84
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Solution
The fourth proportional to 874,449.96, 1,206,827.01 and 511,851.84 is: 706,405.92
Step by Step Solution
- Step 1: Write the proportion equation
874,449.96 : 1,206,827.01 = 511,851.84 : x - Step 2: Convert to fraction form
874,449.96/1,206,827.01 = 511,851.84/x - Step 3: Cross multiply
874,449.96x = 1,206,827.01 × 511,851.84 - Step 4: Simplify right side
874,449.96x = 617,716,625,630.20 - Step 5: Solve for x
x = 617,716,625,630.20/874,449.96 - Step 6: Final answer
x = 706,405.92
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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.