Finding the Fourth Proportional to 660,588.94, 911,582.19 and 374,111.08
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Solution
The fourth proportional to 660,588.94, 911,582.19 and 374,111.08 is: 516,255.99
Step by Step Solution
- Step 1: Write the proportion equation
660,588.94 : 911,582.19 = 374,111.08 : x - Step 2: Convert to fraction form
660,588.94/911,582.19 = 374,111.08/x - Step 3: Cross multiply
660,588.94x = 911,582.19 × 374,111.08 - Step 4: Simplify right side
660,588.94x = 341,032,997,609.67 - Step 5: Solve for x
x = 341,032,997,609.67/660,588.94 - Step 6: Final answer
x = 516,255.99
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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.