Finding the Fourth Proportional to 742,548.24, 1,024,717.50 and 403,016.58
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Solution
The fourth proportional to 742,548.24, 1,024,717.50 and 403,016.58 is: 556,163.38
Step by Step Solution
- Step 1: Write the proportion equation
742,548.24 : 1,024,717.50 = 403,016.58 : x - Step 2: Convert to fraction form
742,548.24/1,024,717.50 = 403,016.58/x - Step 3: Cross multiply
742,548.24x = 1,024,717.50 × 403,016.58 - Step 4: Simplify right side
742,548.24x = 412,978,142,316.15 - Step 5: Solve for x
x = 412,978,142,316.15/742,548.24 - Step 6: Final answer
x = 556,163.38
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1.5x scale
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.