Finding the Fourth Proportional to 516,795.27, 775,905.65 and 356,491.08
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Solution
The fourth proportional to 516,795.27, 775,905.65 and 356,491.08 is: 535,228.28
Step by Step Solution
- Step 1: Write the proportion equation
516,795.27 : 775,905.65 = 356,491.08 : x - Step 2: Convert to fraction form
516,795.27/775,905.65 = 356,491.08/x - Step 3: Cross multiply
516,795.27x = 775,905.65 × 356,491.08 - Step 4: Simplify right side
516,795.27x = 276,603,444,706.25 - Step 5: Solve for x
x = 276,603,444,706.25/516,795.27 - Step 6: Final answer
x = 535,228.28
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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.