Finding the Fourth Proportional to 804,620.42, 1,110,395.74 and 442,067.76
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Solution
The fourth proportional to 804,620.42, 1,110,395.74 and 442,067.76 is: 610,064.26
Step by Step Solution
- Step 1: Write the proportion equation
804,620.42 : 1,110,395.74 = 442,067.76 : x - Step 2: Convert to fraction form
804,620.42/1,110,395.74 = 442,067.76/x - Step 3: Cross multiply
804,620.42x = 1,110,395.74 × 442,067.76 - Step 4: Simplify right side
804,620.42x = 490,870,157,495.34 - Step 5: Solve for x
x = 490,870,157,495.34/804,620.42 - Step 6: Final answer
x = 610,064.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.