Finding the Fourth Proportional to 929,355.93, 1,394,179.70 and 396,879.75
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Solution
The fourth proportional to 929,355.93, 1,394,179.70 and 396,879.75 is: 595,381.89
Step by Step Solution
- Step 1: Write the proportion equation
929,355.93 : 1,394,179.70 = 396,879.75 : x - Step 2: Convert to fraction form
929,355.93/1,394,179.70 = 396,879.75/x - Step 3: Cross multiply
929,355.93x = 1,394,179.70 × 396,879.75 - Step 4: Simplify right side
929,355.93x = 553,321,688,806.68 - Step 5: Solve for x
x = 553,321,688,806.68/929,355.93 - Step 6: Final answer
x = 595,381.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.