Finding the Fourth Proportional to 916,651.64, 1,374,956.34 and 539,961.98
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Solution
The fourth proportional to 916,651.64, 1,374,956.34 and 539,961.98 is: 809,930.53
Step by Step Solution
- Step 1: Write the proportion equation
916,651.64 : 1,374,956.34 = 539,961.98 : x - Step 2: Convert to fraction form
916,651.64/1,374,956.34 = 539,961.98/x - Step 3: Cross multiply
916,651.64x = 1,374,956.34 × 539,961.98 - Step 4: Simplify right side
916,651.64x = 742,424,147,759.95 - Step 5: Solve for x
x = 742,424,147,759.95/916,651.64 - Step 6: Final answer
x = 809,930.53
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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.