Finding the Fourth Proportional to 506,338.70, 698,718.56 and 276,853.14
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Solution
The fourth proportional to 506,338.70, 698,718.56 and 276,853.14 is: 382,041.56
Step by Step Solution
- Step 1: Write the proportion equation
506,338.70 : 698,718.56 = 276,853.14 : x - Step 2: Convert to fraction form
506,338.70/698,718.56 = 276,853.14/x - Step 3: Cross multiply
506,338.70x = 698,718.56 × 276,853.14 - Step 4: Simplify right side
506,338.70x = 193,442,425,928.01 - Step 5: Solve for x
x = 193,442,425,928.01/506,338.70 - Step 6: Final answer
x = 382,041.56
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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.