Finding the Fourth Proportional to 728,752.14, 1,004,914.86 and 627,122.22
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Solution
The fourth proportional to 728,752.14, 1,004,914.86 and 627,122.22 is: 864,771.99
Step by Step Solution
- Step 1: Write the proportion equation
728,752.14 : 1,004,914.86 = 627,122.22 : x - Step 2: Convert to fraction form
728,752.14/1,004,914.86 = 627,122.22/x - Step 3: Cross multiply
728,752.14x = 1,004,914.86 × 627,122.22 - Step 4: Simplify right side
728,752.14x = 630,204,437,914.19 - Step 5: Solve for x
x = 630,204,437,914.19/728,752.14 - Step 6: Final answer
x = 864,771.99
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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.