Finding the Fourth Proportional to 961,305.21, 1,442,824.52 and 512,399.97
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Solution
The fourth proportional to 961,305.21, 1,442,824.52 and 512,399.97 is: 769,061.93
Step by Step Solution
- Step 1: Write the proportion equation
961,305.21 : 1,442,824.52 = 512,399.97 : x - Step 2: Convert to fraction form
961,305.21/1,442,824.52 = 512,399.97/x - Step 3: Cross multiply
961,305.21x = 1,442,824.52 × 512,399.97 - Step 4: Simplify right side
961,305.21x = 739,303,238,201.26 - Step 5: Solve for x
x = 739,303,238,201.26/961,305.21 - Step 6: Final answer
x = 769,061.93
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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.