Finding the Fourth Proportional to 804,965.44, 1,110,878.94 and 442,402.15
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Solution
The fourth proportional to 804,965.44, 1,110,878.94 and 442,402.15 is: 610,529.60
Step by Step Solution
- Step 1: Write the proportion equation
804,965.44 : 1,110,878.94 = 442,402.15 : x - Step 2: Convert to fraction form
804,965.44/1,110,878.94 = 442,402.15/x - Step 3: Cross multiply
804,965.44x = 1,110,878.94 × 442,402.15 - Step 4: Simplify right side
804,965.44x = 491,455,231,445.72 - Step 5: Solve for x
x = 491,455,231,445.72/804,965.44 - Step 6: Final answer
x = 610,529.60
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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.