Finding the Fourth Proportional to 804,565.13, 1,206,828.99 and 405,098.64
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Solution
The fourth proportional to 804,565.13, 1,206,828.99 and 405,098.64 is: 607,638.54
Step by Step Solution
- Step 1: Write the proportion equation
804,565.13 : 1,206,828.99 = 405,098.64 : x - Step 2: Convert to fraction form
804,565.13/1,206,828.99 = 405,098.64/x - Step 3: Cross multiply
804,565.13x = 1,206,828.99 × 405,098.64 - Step 4: Simplify right side
804,565.13x = 488,884,782,561.57 - Step 5: Solve for x
x = 488,884,782,561.57/804,565.13 - Step 6: Final answer
x = 607,638.54
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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.