Finding the Fourth Proportional to 804,536.63, 1,206,786.24 and 405,070.14
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Solution
The fourth proportional to 804,536.63, 1,206,786.24 and 405,070.14 is: 607,595.80
Step by Step Solution
- Step 1: Write the proportion equation
804,536.63 : 1,206,786.24 = 405,070.14 : x - Step 2: Convert to fraction form
804,536.63/1,206,786.24 = 405,070.14/x - Step 3: Cross multiply
804,536.63x = 1,206,786.24 × 405,070.14 - Step 4: Simplify right side
804,536.63x = 488,833,071,186.87 - Step 5: Solve for x
x = 488,833,071,186.87/804,536.63 - Step 6: Final answer
x = 607,595.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.