Finding the Fourth Proportional to 804,110.40, 1,211,945.52 and 693,130.08
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Solution
The fourth proportional to 804,110.40, 1,211,945.52 and 693,130.08 is: 1,044,677.32
Step by Step Solution
- Step 1: Write the proportion equation
804,110.40 : 1,211,945.52 = 693,130.08 : x - Step 2: Convert to fraction form
804,110.40/1,211,945.52 = 693,130.08/x - Step 3: Cross multiply
804,110.40x = 1,211,945.52 × 693,130.08 - Step 4: Simplify right side
804,110.40x = 840,035,895,233.24 - Step 5: Solve for x
x = 840,035,895,233.24/804,110.40 - Step 6: Final answer
x = 1,044,677.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.