Finding the Fourth Proportional to 752,455.14, 1,128,679.66 and 272,570.68
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Solution
The fourth proportional to 752,455.14, 1,128,679.66 and 272,570.68 is: 408,854.92
Step by Step Solution
- Step 1: Write the proportion equation
752,455.14 : 1,128,679.66 = 272,570.68 : x - Step 2: Convert to fraction form
752,455.14/1,128,679.66 = 272,570.68/x - Step 3: Cross multiply
752,455.14x = 1,128,679.66 × 272,570.68 - Step 4: Simplify right side
752,455.14x = 307,644,982,428.37 - Step 5: Solve for x
x = 307,644,982,428.37/752,455.14 - Step 6: Final answer
x = 408,854.92
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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.