Finding the Fourth Proportional to 687,855.22, 949,242.18 and 381,932.26
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Solution
The fourth proportional to 687,855.22, 949,242.18 and 381,932.26 is: 527,067.62
Step by Step Solution
- Step 1: Write the proportion equation
687,855.22 : 949,242.18 = 381,932.26 : x - Step 2: Convert to fraction form
687,855.22/949,242.18 = 381,932.26/x - Step 3: Cross multiply
687,855.22x = 949,242.18 × 381,932.26 - Step 4: Simplify right side
687,855.22x = 362,546,211,094.73 - Step 5: Solve for x
x = 362,546,211,094.73/687,855.22 - Step 6: Final answer
x = 527,067.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.