Finding the Fourth Proportional to 767,446.38, 1,058,818.23 and 445,038.84
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Solution
The fourth proportional to 767,446.38, 1,058,818.23 and 445,038.84 is: 614,004.12
Step by Step Solution
- Step 1: Write the proportion equation
767,446.38 : 1,058,818.23 = 445,038.84 : x - Step 2: Convert to fraction form
767,446.38/1,058,818.23 = 445,038.84/x - Step 3: Cross multiply
767,446.38x = 1,058,818.23 × 445,038.84 - Step 4: Simplify right side
767,446.38x = 471,215,236,850.05 - Step 5: Solve for x
x = 471,215,236,850.05/767,446.38 - Step 6: Final answer
x = 614,004.12
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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.