Finding the Fourth Proportional to 853,558.92, 1,177,810.92 and 471,562.92
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Solution
The fourth proportional to 853,558.92, 1,177,810.92 and 471,562.92 is: 650,701.37
Step by Step Solution
- Step 1: Write the proportion equation
853,558.92 : 1,177,810.92 = 471,562.92 : x - Step 2: Convert to fraction form
853,558.92/1,177,810.92 = 471,562.92/x - Step 3: Cross multiply
853,558.92x = 1,177,810.92 × 471,562.92 - Step 4: Simplify right side
853,558.92x = 555,411,956,643.09 - Step 5: Solve for x
x = 555,411,956,643.09/853,558.92 - Step 6: Final answer
x = 650,701.37
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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.