Finding the Fourth Proportional to 524,971.76, 786,817.89 and 272,112.84
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Solution
The fourth proportional to 524,971.76, 786,817.89 and 272,112.84 is: 407,837.66
Step by Step Solution
- Step 1: Write the proportion equation
524,971.76 : 786,817.89 = 272,112.84 : x - Step 2: Convert to fraction form
524,971.76/786,817.89 = 272,112.84/x - Step 3: Cross multiply
524,971.76x = 786,817.89 × 272,112.84 - Step 4: Simplify right side
524,971.76x = 214,103,250,610.71 - Step 5: Solve for x
x = 214,103,250,610.71/524,971.76 - Step 6: Final answer
x = 407,837.66
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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.