Finding the Fourth Proportional to 943,623.76, 1,414,174.56 and 344,021.68
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Solution
The fourth proportional to 943,623.76, 1,414,174.56 and 344,021.68 is: 515,572.76
Step by Step Solution
- Step 1: Write the proportion equation
943,623.76 : 1,414,174.56 = 344,021.68 : x - Step 2: Convert to fraction form
943,623.76/1,414,174.56 = 344,021.68/x - Step 3: Cross multiply
943,623.76x = 1,414,174.56 × 344,021.68 - Step 4: Simplify right side
943,623.76x = 486,506,707,944.46 - Step 5: Solve for x
x = 486,506,707,944.46/943,623.76 - Step 6: Final answer
x = 515,572.76
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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.