Finding the Fourth Proportional to 706,430.09, 974,862.41 and 384,137.37
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Solution
The fourth proportional to 706,430.09, 974,862.41 and 384,137.37 is: 530,103.53
Step by Step Solution
- Step 1: Write the proportion equation
706,430.09 : 974,862.41 = 384,137.37 : x - Step 2: Convert to fraction form
706,430.09/974,862.41 = 384,137.37/x - Step 3: Cross multiply
706,430.09x = 974,862.41 × 384,137.37 - Step 4: Simplify right side
706,430.09x = 374,481,082,289.26 - Step 5: Solve for x
x = 374,481,082,289.26/706,430.09 - Step 6: Final answer
x = 530,103.53
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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.