Finding the Fourth Proportional to 687,540.58, 948,791.70 and 381,599.01
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Solution
The fourth proportional to 687,540.58, 948,791.70 and 381,599.01 is: 526,598.70
Step by Step Solution
- Step 1: Write the proportion equation
687,540.58 : 948,791.70 = 381,599.01 : x - Step 2: Convert to fraction form
687,540.58/948,791.70 = 381,599.01/x - Step 3: Cross multiply
687,540.58x = 948,791.70 × 381,599.01 - Step 4: Simplify right side
687,540.58x = 362,057,973,416.22 - Step 5: Solve for x
x = 362,057,973,416.22/687,540.58 - Step 6: Final answer
x = 526,598.70
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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.