Finding the Fourth Proportional to 846,534.36, 1,270,216.74 and 397,291.74
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Solution
The fourth proportional to 846,534.36, 1,270,216.74 and 397,291.74 is: 596,132.47
Step by Step Solution
- Step 1: Write the proportion equation
846,534.36 : 1,270,216.74 = 397,291.74 : x - Step 2: Convert to fraction form
846,534.36/1,270,216.74 = 397,291.74/x - Step 3: Cross multiply
846,534.36x = 1,270,216.74 × 397,291.74 - Step 4: Simplify right side
846,534.36x = 504,646,618,811.73 - Step 5: Solve for x
x = 504,646,618,811.73/846,534.36 - Step 6: Final answer
x = 596,132.47
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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.