Finding the Fourth Proportional to 888,467.13, 1,332,699.62 and 289,427.31
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Solution
The fourth proportional to 888,467.13, 1,332,699.62 and 289,427.31 is: 434,140.61
Step by Step Solution
- Step 1: Write the proportion equation
888,467.13 : 1,332,699.62 = 289,427.31 : x - Step 2: Convert to fraction form
888,467.13/1,332,699.62 = 289,427.31/x - Step 3: Cross multiply
888,467.13x = 1,332,699.62 × 289,427.31 - Step 4: Simplify right side
888,467.13x = 385,719,664,607.49 - Step 5: Solve for x
x = 385,719,664,607.49/888,467.13 - Step 6: Final answer
x = 434,140.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.