Finding the Fourth Proportional to 888,466.98, 1,332,699.45 and 289,427.19
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Solution
The fourth proportional to 888,466.98, 1,332,699.45 and 289,427.19 is: 434,140.45
Step by Step Solution
- Step 1: Write the proportion equation
888,466.98 : 1,332,699.45 = 289,427.19 : x - Step 2: Convert to fraction form
888,466.98/1,332,699.45 = 289,427.19/x - Step 3: Cross multiply
888,466.98x = 1,332,699.45 × 289,427.19 - Step 4: Simplify right side
888,466.98x = 385,719,456,928.05 - Step 5: Solve for x
x = 385,719,456,928.05/888,466.98 - Step 6: Final answer
x = 434,140.45
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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.