Finding the Fourth Proportional to 1,434.76, 2,152.34 and 460.63
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Solution
The fourth proportional to 1,434.76, 2,152.34 and 460.63 is: 691.00
Step by Step Solution
- Step 1: Write the proportion equation
1,434.76 : 2,152.34 = 460.63 : x - Step 2: Convert to fraction form
1,434.76/2,152.34 = 460.63/x - Step 3: Cross multiply
1,434.76x = 2,152.34 × 460.63 - Step 4: Simplify right side
1,434.76x = 991,419.31 - Step 5: Solve for x
x = 991,419.31/1,434.76 - Step 6: Final answer
x = 691.00
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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.