Finding the Fourth Proportional to 949,406.67, 1,310,181.62 and 519,689.25
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Solution
The fourth proportional to 949,406.67, 1,310,181.62 and 519,689.25 is: 717,171.39
Step by Step Solution
- Step 1: Write the proportion equation
949,406.67 : 1,310,181.62 = 519,689.25 : x - Step 2: Convert to fraction form
949,406.67/1,310,181.62 = 519,689.25/x - Step 3: Cross multiply
949,406.67x = 1,310,181.62 × 519,689.25 - Step 4: Simplify right side
949,406.67x = 680,887,300,863.14 - Step 5: Solve for x
x = 680,887,300,863.14/949,406.67 - Step 6: Final answer
x = 717,171.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.