Finding the Fourth Proportional to 804,869.99, 1,206,405.72 and 348,934.89
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Solution
The fourth proportional to 804,869.99, 1,206,405.72 and 348,934.89 is: 523,012.48
Step by Step Solution
- Step 1: Write the proportion equation
804,869.99 : 1,206,405.72 = 348,934.89 : x - Step 2: Convert to fraction form
804,869.99/1,206,405.72 = 348,934.89/x - Step 3: Cross multiply
804,869.99x = 1,206,405.72 × 348,934.89 - Step 4: Simplify right side
804,869.99x = 420,957,047,203.57 - Step 5: Solve for x
x = 420,957,047,203.57/804,869.99 - Step 6: Final answer
x = 523,012.48
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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.