Finding the Fourth Proportional to 804,596.70, 1,206,895.05 and 243,659.10
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Solution
The fourth proportional to 804,596.70, 1,206,895.05 and 243,659.10 is: 365,488.65
Step by Step Solution
- Step 1: Write the proportion equation
804,596.70 : 1,206,895.05 = 243,659.10 : x - Step 2: Convert to fraction form
804,596.70/1,206,895.05 = 243,659.10/x - Step 3: Cross multiply
804,596.70x = 1,206,895.05 × 243,659.10 - Step 4: Simplify right side
804,596.70x = 294,070,961,677.46 - Step 5: Solve for x
x = 294,070,961,677.46/804,596.70 - Step 6: Final answer
x = 365,488.65
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Similar ratio
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1.5x scale
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.