Finding the Fourth Proportional to 742,538.36, 1,113,798.12 and 237,092.92
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Solution
The fourth proportional to 742,538.36, 1,113,798.12 and 237,092.92 is: 355,636.37
Step by Step Solution
- Step 1: Write the proportion equation
742,538.36 : 1,113,798.12 = 237,092.92 : x - Step 2: Convert to fraction form
742,538.36/1,113,798.12 = 237,092.92/x - Step 3: Cross multiply
742,538.36x = 1,113,798.12 × 237,092.92 - Step 4: Simplify right side
742,538.36x = 264,073,648,561.31 - Step 5: Solve for x
x = 264,073,648,561.31/742,538.36 - Step 6: Final answer
x = 355,636.37
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1.5x scale
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.