Finding the Fourth Proportional to 916,316.53, 1,374,672.23 and 276,566.79
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Solution
The fourth proportional to 916,316.53, 1,374,672.23 and 276,566.79 is: 414,909.77
Step by Step Solution
- Step 1: Write the proportion equation
916,316.53 : 1,374,672.23 = 276,566.79 : x - Step 2: Convert to fraction form
916,316.53/1,374,672.23 = 276,566.79/x - Step 3: Cross multiply
916,316.53x = 1,374,672.23 × 276,566.79 - Step 4: Simplify right side
916,316.53x = 380,188,679,771.30 - Step 5: Solve for x
x = 380,188,679,771.30/916,316.53 - Step 6: Final answer
x = 414,909.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.