Finding the Fourth Proportional to 660,939.18, 912,099.03 and 374,515.08
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Solution
The fourth proportional to 660,939.18, 912,099.03 and 374,515.08 is: 516,832.49
Step by Step Solution
- Step 1: Write the proportion equation
660,939.18 : 912,099.03 = 374,515.08 : x - Step 2: Convert to fraction form
660,939.18/912,099.03 = 374,515.08/x - Step 3: Cross multiply
660,939.18x = 912,099.03 × 374,515.08 - Step 4: Simplify right side
660,939.18x = 341,594,841,188.37 - Step 5: Solve for x
x = 341,594,841,188.37/660,939.18 - Step 6: Final answer
x = 516,832.49
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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.