Finding the Fourth Proportional to 832,472.12, 1,248,717.62 and 292,744.46
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Solution
The fourth proportional to 832,472.12, 1,248,717.62 and 292,744.46 is: 439,120.01
Step by Step Solution
- Step 1: Write the proportion equation
832,472.12 : 1,248,717.62 = 292,744.46 : x - Step 2: Convert to fraction form
832,472.12/1,248,717.62 = 292,744.46/x - Step 3: Cross multiply
832,472.12x = 1,248,717.62 × 292,744.46 - Step 4: Simplify right side
832,472.12x = 365,555,165,359.39 - Step 5: Solve for x
x = 365,555,165,359.39/832,472.12 - Step 6: Final answer
x = 439,120.01
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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.