Finding the Fourth Proportional to 991,313.24, 1,486,943.73 and 281,341.35
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Solution
The fourth proportional to 991,313.24, 1,486,943.73 and 281,341.35 is: 422,004.61
Step by Step Solution
- Step 1: Write the proportion equation
991,313.24 : 1,486,943.73 = 281,341.35 : x - Step 2: Convert to fraction form
991,313.24/1,486,943.73 = 281,341.35/x - Step 3: Cross multiply
991,313.24x = 1,486,943.73 × 281,341.35 - Step 4: Simplify right side
991,313.24x = 418,338,756,372.24 - Step 5: Solve for x
x = 418,338,756,372.24/991,313.24 - Step 6: Final answer
x = 422,004.61
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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.