Finding the Fourth Proportional to 985,763.44, 1,478,827.14 and 312,014.08
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Solution
The fourth proportional to 985,763.44, 1,478,827.14 and 312,014.08 is: 468,078.72
Step by Step Solution
- Step 1: Write the proportion equation
985,763.44 : 1,478,827.14 = 312,014.08 : x - Step 2: Convert to fraction form
985,763.44/1,478,827.14 = 312,014.08/x - Step 3: Cross multiply
985,763.44x = 1,478,827.14 × 312,014.08 - Step 4: Simplify right side
985,763.44x = 461,414,889,566.13 - Step 5: Solve for x
x = 461,414,889,566.13/985,763.44 - Step 6: Final answer
x = 468,078.72
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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.