Finding the Fourth Proportional to 509,988.96, 764,283.60 and 322,665.12
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Solution
The fourth proportional to 509,988.96, 764,283.60 and 322,665.12 is: 483,554.90
Step by Step Solution
- Step 1: Write the proportion equation
509,988.96 : 764,283.60 = 322,665.12 : x - Step 2: Convert to fraction form
509,988.96/764,283.60 = 322,665.12/x - Step 3: Cross multiply
509,988.96x = 764,283.60 × 322,665.12 - Step 4: Simplify right side
509,988.96x = 246,607,659,508.03 - Step 5: Solve for x
x = 246,607,659,508.03/509,988.96 - Step 6: Final answer
x = 483,554.90
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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.