Finding the Fourth Proportional to 450,609.36, 676,788.84 and 331,811.52
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Solution
The fourth proportional to 450,609.36, 676,788.84 and 331,811.52 is: 498,361.45
Step by Step Solution
- Step 1: Write the proportion equation
450,609.36 : 676,788.84 = 331,811.52 : x - Step 2: Convert to fraction form
450,609.36/676,788.84 = 331,811.52/x - Step 3: Cross multiply
450,609.36x = 676,788.84 × 331,811.52 - Step 4: Simplify right side
450,609.36x = 224,566,333,719.44 - Step 5: Solve for x
x = 224,566,333,719.44/450,609.36 - Step 6: Final answer
x = 498,361.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.