Finding the Fourth Proportional to 920,184.93, 1,380,559.05 and 471,223.62
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Solution
The fourth proportional to 920,184.93, 1,380,559.05 and 471,223.62 is: 706,979.66
Step by Step Solution
- Step 1: Write the proportion equation
920,184.93 : 1,380,559.05 = 471,223.62 : x - Step 2: Convert to fraction form
920,184.93/1,380,559.05 = 471,223.62/x - Step 3: Cross multiply
920,184.93x = 1,380,559.05 × 471,223.62 - Step 4: Simplify right side
920,184.93x = 650,552,033,164.76 - Step 5: Solve for x
x = 650,552,033,164.76/920,184.93 - Step 6: Final answer
x = 706,979.66
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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.