Finding the Fourth Proportional to 484,428.74, 726,716.91 and 247,691.45
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Solution
The fourth proportional to 484,428.74, 726,716.91 and 247,691.45 is: 371,574.92
Step by Step Solution
- Step 1: Write the proportion equation
484,428.74 : 726,716.91 = 247,691.45 : x - Step 2: Convert to fraction form
484,428.74/726,716.91 = 247,691.45/x - Step 3: Cross multiply
484,428.74x = 726,716.91 × 247,691.45 - Step 4: Simplify right side
484,428.74x = 180,001,567,923.06 - Step 5: Solve for x
x = 180,001,567,923.06/484,428.74 - Step 6: Final answer
x = 371,574.92
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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.