Finding the Fourth Proportional to 880,163.28, 1,214,536.68 and 498,123.54
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Solution
The fourth proportional to 880,163.28, 1,214,536.68 and 498,123.54 is: 687,360.32
Step by Step Solution
- Step 1: Write the proportion equation
880,163.28 : 1,214,536.68 = 498,123.54 : x - Step 2: Convert to fraction form
880,163.28/1,214,536.68 = 498,123.54/x - Step 3: Cross multiply
880,163.28x = 1,214,536.68 × 498,123.54 - Step 4: Simplify right side
880,163.28x = 604,989,310,501.45 - Step 5: Solve for x
x = 604,989,310,501.45/880,163.28 - Step 6: Final answer
x = 687,360.32
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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.