Finding the Fourth Proportional to 460,838.80, 691,695.60 and 283,691.80
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Solution
The fourth proportional to 460,838.80, 691,695.60 and 283,691.80 is: 425,806.96
Step by Step Solution
- Step 1: Write the proportion equation
460,838.80 : 691,695.60 = 283,691.80 : x - Step 2: Convert to fraction form
460,838.80/691,695.60 = 283,691.80/x - Step 3: Cross multiply
460,838.80x = 691,695.60 × 283,691.80 - Step 4: Simplify right side
460,838.80x = 196,228,369,816.08 - Step 5: Solve for x
x = 196,228,369,816.08/460,838.80 - Step 6: Final answer
x = 425,806.96
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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.