Finding the Fourth Proportional to 684,455.24, 1,025,132.52 and 329,723.84
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Solution
The fourth proportional to 684,455.24, 1,025,132.52 and 329,723.84 is: 493,838.91
Step by Step Solution
- Step 1: Write the proportion equation
684,455.24 : 1,025,132.52 = 329,723.84 : x - Step 2: Convert to fraction form
684,455.24/1,025,132.52 = 329,723.84/x - Step 3: Cross multiply
684,455.24x = 1,025,132.52 × 329,723.84 - Step 4: Simplify right side
684,455.24x = 338,010,631,003.28 - Step 5: Solve for x
x = 338,010,631,003.28/684,455.24 - Step 6: Final answer
x = 493,838.91
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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.