Finding the Fourth Proportional to 756,315.77, 1,133,789.87 and 276,204.87
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Solution
The fourth proportional to 756,315.77, 1,133,789.87 and 276,204.87 is: 414,057.59
Step by Step Solution
- Step 1: Write the proportion equation
756,315.77 : 1,133,789.87 = 276,204.87 : x - Step 2: Convert to fraction form
756,315.77/1,133,789.87 = 276,204.87/x - Step 3: Cross multiply
756,315.77x = 1,133,789.87 × 276,204.87 - Step 4: Simplify right side
756,315.77x = 313,158,284,341.18 - Step 5: Solve for x
x = 313,158,284,341.18/756,315.77 - Step 6: Final answer
x = 414,057.59
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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.