Finding the Fourth Proportional to 878,958.42, 1,318,475.93 and 430,057.23
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Solution
The fourth proportional to 878,958.42, 1,318,475.93 and 430,057.23 is: 645,104.58
Step by Step Solution
- Step 1: Write the proportion equation
878,958.42 : 1,318,475.93 = 430,057.23 : x - Step 2: Convert to fraction form
878,958.42/1,318,475.93 = 430,057.23/x - Step 3: Cross multiply
878,958.42x = 1,318,475.93 × 430,057.23 - Step 4: Simplify right side
878,958.42x = 567,020,104,127.19 - Step 5: Solve for x
x = 567,020,104,127.19/878,958.42 - Step 6: Final answer
x = 645,104.58
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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.