Finding the Fourth Proportional to 804,847.16, 1,110,697.92 and 442,271.11
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Solution
The fourth proportional to 804,847.16, 1,110,697.92 and 442,271.11 is: 610,338.99
Step by Step Solution
- Step 1: Write the proportion equation
804,847.16 : 1,110,697.92 = 442,271.11 : x - Step 2: Convert to fraction form
804,847.16/1,110,697.92 = 442,271.11/x - Step 3: Cross multiply
804,847.16x = 1,110,697.92 × 442,271.11 - Step 4: Simplify right side
804,847.16x = 491,229,601,953.09 - Step 5: Solve for x
x = 491,229,601,953.09/804,847.16 - Step 6: Final answer
x = 610,338.99
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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.