Finding the Fourth Proportional to 506,393.47, 698,794.68 and 276,905.26
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Solution
The fourth proportional to 506,393.47, 698,794.68 and 276,905.26 is: 382,113.78
Step by Step Solution
- Step 1: Write the proportion equation
506,393.47 : 698,794.68 = 276,905.26 : x - Step 2: Convert to fraction form
506,393.47/698,794.68 = 276,905.26/x - Step 3: Cross multiply
506,393.47x = 698,794.68 × 276,905.26 - Step 4: Simplify right side
506,393.47x = 193,499,922,552.02 - Step 5: Solve for x
x = 193,499,922,552.02/506,393.47 - Step 6: Final answer
x = 382,113.78
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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.