Finding the Fourth Proportional to 565,479.36, 780,399.36 and 374,163.84
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Solution
The fourth proportional to 565,479.36, 780,399.36 and 374,163.84 is: 516,371.14
Step by Step Solution
- Step 1: Write the proportion equation
565,479.36 : 780,399.36 = 374,163.84 : x - Step 2: Convert to fraction form
565,479.36/780,399.36 = 374,163.84/x - Step 3: Cross multiply
565,479.36x = 780,399.36 × 374,163.84 - Step 4: Simplify right side
565,479.36x = 291,997,221,271.14 - Step 5: Solve for x
x = 291,997,221,271.14/565,479.36 - Step 6: Final answer
x = 516,371.14
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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.