Finding the Fourth Proportional to 804,625.30, 1,129,624.70 and 804,625.30
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Solution
The fourth proportional to 804,625.30, 1,129,624.70 and 804,625.30 is: 1,129,624.70
Step by Step Solution
- Step 1: Write the proportion equation
804,625.30 : 1,129,624.70 = 804,625.30 : x - Step 2: Convert to fraction form
804,625.30/1,129,624.70 = 804,625.30/x - Step 3: Cross multiply
804,625.30x = 1,129,624.70 × 804,625.30 - Step 4: Simplify right side
804,625.30x = 908,924,613,124.91 - Step 5: Solve for x
x = 908,924,613,124.91/804,625.30 - Step 6: Final answer
x = 1,129,624.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.