Finding the Fourth Proportional to 879,910.98, 1,214,277.94 and 477,502.98
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Solution
The fourth proportional to 879,910.98, 1,214,277.94 and 477,502.98 is: 658,954.54
Step by Step Solution
- Step 1: Write the proportion equation
879,910.98 : 1,214,277.94 = 477,502.98 : x - Step 2: Convert to fraction form
879,910.98/1,214,277.94 = 477,502.98/x - Step 3: Cross multiply
879,910.98x = 1,214,277.94 × 477,502.98 - Step 4: Simplify right side
879,910.98x = 579,821,334,898.26 - Step 5: Solve for x
x = 579,821,334,898.26/879,910.98 - Step 6: Final answer
x = 658,954.54
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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.