Finding the Fourth Proportional to 542,299.36, 748,365.78 and 300,576.82
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Solution
The fourth proportional to 542,299.36, 748,365.78 and 300,576.82 is: 414,791.95
Step by Step Solution
- Step 1: Write the proportion equation
542,299.36 : 748,365.78 = 300,576.82 : x - Step 2: Convert to fraction form
542,299.36/748,365.78 = 300,576.82/x - Step 3: Cross multiply
542,299.36x = 748,365.78 × 300,576.82 - Step 4: Simplify right side
542,299.36x = 224,941,406,349.22 - Step 5: Solve for x
x = 224,941,406,349.22/542,299.36 - Step 6: Final answer
x = 414,791.95
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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.