Finding the Fourth Proportional to 684,339.10, 1,026,516.75 and 414,526.08
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Solution
The fourth proportional to 684,339.10, 1,026,516.75 and 414,526.08 is: 621,794.03
Step by Step Solution
- Step 1: Write the proportion equation
684,339.10 : 1,026,516.75 = 414,526.08 : x - Step 2: Convert to fraction form
684,339.10/1,026,516.75 = 414,526.08/x - Step 3: Cross multiply
684,339.10x = 1,026,516.75 × 414,526.08 - Step 4: Simplify right side
684,339.10x = 425,517,964,431.84 - Step 5: Solve for x
x = 425,517,964,431.84/684,339.10 - Step 6: Final answer
x = 621,794.03
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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.