Finding the Fourth Proportional to 777,987.08, 1,073,617.59 and 433,827.09
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Solution
The fourth proportional to 777,987.08, 1,073,617.59 and 433,827.09 is: 598,678.83
Step by Step Solution
- Step 1: Write the proportion equation
777,987.08 : 1,073,617.59 = 433,827.09 : x - Step 2: Convert to fraction form
777,987.08/1,073,617.59 = 433,827.09/x - Step 3: Cross multiply
777,987.08x = 1,073,617.59 × 433,827.09 - Step 4: Simplify right side
777,987.08x = 465,764,394,029.09 - Step 5: Solve for x
x = 465,764,394,029.09/777,987.08 - Step 6: Final answer
x = 598,678.83
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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.