Finding the Fourth Proportional to 684,497.20, 1,025,890.44 and 472,445.68
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Solution
The fourth proportional to 684,497.20, 1,025,890.44 and 472,445.68 is: 708,078.14
Step by Step Solution
- Step 1: Write the proportion equation
684,497.20 : 1,025,890.44 = 472,445.68 : x - Step 2: Convert to fraction form
684,497.20/1,025,890.44 = 472,445.68/x - Step 3: Cross multiply
684,497.20x = 1,025,890.44 × 472,445.68 - Step 4: Simplify right side
684,497.20x = 484,677,506,531.30 - Step 5: Solve for x
x = 484,677,506,531.30/684,497.20 - Step 6: Final answer
x = 708,078.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.