Finding the Fourth Proportional to 741,679.60, 1,111,741.80 and 292,226.80
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Solution
The fourth proportional to 741,679.60, 1,111,741.80 and 292,226.80 is: 438,033.82
Step by Step Solution
- Step 1: Write the proportion equation
741,679.60 : 1,111,741.80 = 292,226.80 : x - Step 2: Convert to fraction form
741,679.60/1,111,741.80 = 292,226.80/x - Step 3: Cross multiply
741,679.60x = 1,111,741.80 × 292,226.80 - Step 4: Simplify right side
741,679.60x = 324,880,748,640.24 - Step 5: Solve for x
x = 324,880,748,640.24/741,679.60 - Step 6: Final answer
x = 438,033.82
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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.