Finding the Fourth Proportional to 980,883.37, 1,471,330.10 and 297,776.17
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Solution
The fourth proportional to 980,883.37, 1,471,330.10 and 297,776.17 is: 446,665.79
Step by Step Solution
- Step 1: Write the proportion equation
980,883.37 : 1,471,330.10 = 297,776.17 : x - Step 2: Convert to fraction form
980,883.37/1,471,330.10 = 297,776.17/x - Step 3: Cross multiply
980,883.37x = 1,471,330.10 × 297,776.17 - Step 4: Simplify right side
980,883.37x = 438,127,041,983.72 - Step 5: Solve for x
x = 438,127,041,983.72/980,883.37 - Step 6: Final answer
x = 446,665.79
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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.