Finding the Fourth Proportional to 1,193,331.67, 1,789,724.13 and 340,387.09
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Solution
The fourth proportional to 1,193,331.67, 1,789,724.13 and 340,387.09 is: 510,502.65
Step by Step Solution
- Step 1: Write the proportion equation
1,193,331.67 : 1,789,724.13 = 340,387.09 : x - Step 2: Convert to fraction form
1,193,331.67/1,789,724.13 = 340,387.09/x - Step 3: Cross multiply
1,193,331.67x = 1,789,724.13 × 340,387.09 - Step 4: Simplify right side
1,193,331.67x = 609,198,982,762.72 - Step 5: Solve for x
x = 609,198,982,762.72/1,193,331.67 - Step 6: Final answer
x = 510,502.65
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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.