Finding the Fourth Proportional to 804,900.27, 1,110,739.98 and 442,324.02
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Solution
The fourth proportional to 804,900.27, 1,110,739.98 and 442,324.02 is: 610,394.84
Step by Step Solution
- Step 1: Write the proportion equation
804,900.27 : 1,110,739.98 = 442,324.02 : x - Step 2: Convert to fraction form
804,900.27/1,110,739.98 = 442,324.02/x - Step 3: Cross multiply
804,900.27x = 1,110,739.98 × 442,324.02 - Step 4: Simplify right side
804,900.27x = 491,306,973,128.32 - Step 5: Solve for x
x = 491,306,973,128.32/804,900.27 - Step 6: Final answer
x = 610,394.84
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1.5x scale
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.