Finding the Fourth Proportional to 816,403.98, 1,224,609.87 and 247,790.01
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Solution
The fourth proportional to 816,403.98, 1,224,609.87 and 247,790.01 is: 371,686.20
Step by Step Solution
- Step 1: Write the proportion equation
816,403.98 : 1,224,609.87 = 247,790.01 : x - Step 2: Convert to fraction form
816,403.98/1,224,609.87 = 247,790.01/x - Step 3: Cross multiply
816,403.98x = 1,224,609.87 × 247,790.01 - Step 4: Simplify right side
816,403.98x = 303,446,091,933.40 - Step 5: Solve for x
x = 303,446,091,933.40/816,403.98 - Step 6: Final answer
x = 371,686.20
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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.