Finding the Fourth Proportional to 769,626.02, 1,062,090.63 and 425,456.48
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Solution
The fourth proportional to 769,626.02, 1,062,090.63 and 425,456.48 is: 587,133.66
Step by Step Solution
- Step 1: Write the proportion equation
769,626.02 : 1,062,090.63 = 425,456.48 : x - Step 2: Convert to fraction form
769,626.02/1,062,090.63 = 425,456.48/x - Step 3: Cross multiply
769,626.02x = 1,062,090.63 × 425,456.48 - Step 4: Simplify right side
769,626.02x = 451,873,343,536.01 - Step 5: Solve for x
x = 451,873,343,536.01/769,626.02 - Step 6: Final answer
x = 587,133.66
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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.