Finding the Fourth Proportional to 767,389.44, 1,058,998.08 and 427,850.88
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Solution
The fourth proportional to 767,389.44, 1,058,998.08 and 427,850.88 is: 590,434.58
Step by Step Solution
- Step 1: Write the proportion equation
767,389.44 : 1,058,998.08 = 427,850.88 : x - Step 2: Convert to fraction form
767,389.44/1,058,998.08 = 427,850.88/x - Step 3: Cross multiply
767,389.44x = 1,058,998.08 × 427,850.88 - Step 4: Simplify right side
767,389.44x = 453,093,260,446.31 - Step 5: Solve for x
x = 453,093,260,446.31/767,389.44 - Step 6: Final answer
x = 590,434.58
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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.