Finding the Fourth Proportional to 752,749.63, 1,129,346.25 and 303,239.18
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Solution
The fourth proportional to 752,749.63, 1,129,346.25 and 303,239.18 is: 454,948.12
Step by Step Solution
- Step 1: Write the proportion equation
752,749.63 : 1,129,346.25 = 303,239.18 : x - Step 2: Convert to fraction form
752,749.63/1,129,346.25 = 303,239.18/x - Step 3: Cross multiply
752,749.63x = 1,129,346.25 × 303,239.18 - Step 4: Simplify right side
752,749.63x = 342,462,030,786.08 - Step 5: Solve for x
x = 342,462,030,786.08/752,749.63 - Step 6: Final answer
x = 454,948.12
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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.