Finding the Fourth Proportional to 804,700.74, 1,207,226.07 and 243,778.98
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Solution
The fourth proportional to 804,700.74, 1,207,226.07 and 243,778.98 is: 365,721.47
Step by Step Solution
- Step 1: Write the proportion equation
804,700.74 : 1,207,226.07 = 243,778.98 : x - Step 2: Convert to fraction form
804,700.74/1,207,226.07 = 243,778.98/x - Step 3: Cross multiply
804,700.74x = 1,207,226.07 × 243,778.98 - Step 4: Simplify right side
804,700.74x = 294,296,339,974.01 - Step 5: Solve for x
x = 294,296,339,974.01/804,700.74 - Step 6: Final answer
x = 365,721.47
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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.