Finding the Fourth Proportional to 778,534.00, 1,074,408.17 and 434,399.99
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Solution
The fourth proportional to 778,534.00, 1,074,408.17 and 434,399.99 is: 599,489.42
Step by Step Solution
- Step 1: Write the proportion equation
778,534.00 : 1,074,408.17 = 434,399.99 : x - Step 2: Convert to fraction form
778,534.00/1,074,408.17 = 434,399.99/x - Step 3: Cross multiply
778,534.00x = 1,074,408.17 × 434,399.99 - Step 4: Simplify right side
778,534.00x = 466,722,890,759.88 - Step 5: Solve for x
x = 466,722,890,759.88/778,534.00 - Step 6: Final answer
x = 599,489.42
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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.