Finding the Fourth Proportional to 713,412.24, 984,516.90 and 407,529.12
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Solution
The fourth proportional to 713,412.24, 984,516.90 and 407,529.12 is: 562,394.76
Step by Step Solution
- Step 1: Write the proportion equation
713,412.24 : 984,516.90 = 407,529.12 : x - Step 2: Convert to fraction form
713,412.24/984,516.90 = 407,529.12/x - Step 3: Cross multiply
713,412.24x = 984,516.90 × 407,529.12 - Step 4: Simplify right side
713,412.24x = 401,219,305,882.13 - Step 5: Solve for x
x = 401,219,305,882.13/713,412.24 - Step 6: Final answer
x = 562,394.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.