Finding the Fourth Proportional to 612,060.12, 844,589.18 and 340,110.78
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Solution
The fourth proportional to 612,060.12, 844,589.18 and 340,110.78 is: 469,322.99
Step by Step Solution
- Step 1: Write the proportion equation
612,060.12 : 844,589.18 = 340,110.78 : x - Step 2: Convert to fraction form
612,060.12/844,589.18 = 340,110.78/x - Step 3: Cross multiply
612,060.12x = 844,589.18 × 340,110.78 - Step 4: Simplify right side
612,060.12x = 287,253,884,789.36 - Step 5: Solve for x
x = 287,253,884,789.36/612,060.12 - Step 6: Final answer
x = 469,322.99
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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.