Finding the Fourth Proportional to 684,453.24, 1,025,129.52 and 329,721.84
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Solution
The fourth proportional to 684,453.24, 1,025,129.52 and 329,721.84 is: 493,835.91
Step by Step Solution
- Step 1: Write the proportion equation
684,453.24 : 1,025,129.52 = 329,721.84 : x - Step 2: Convert to fraction form
684,453.24/1,025,129.52 = 329,721.84/x - Step 3: Cross multiply
684,453.24x = 1,025,129.52 × 329,721.84 - Step 4: Simplify right side
684,453.24x = 338,007,591,572.72 - Step 5: Solve for x
x = 338,007,591,572.72/684,453.24 - Step 6: Final answer
x = 493,835.91
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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.