Finding the Fourth Proportional to 872,507.63, 1,308,777.84 and 273,455.54
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Solution
The fourth proportional to 872,507.63, 1,308,777.84 and 273,455.54 is: 410,188.45
Step by Step Solution
- Step 1: Write the proportion equation
872,507.63 : 1,308,777.84 = 273,455.54 : x - Step 2: Convert to fraction form
872,507.63/1,308,777.84 = 273,455.54/x - Step 3: Cross multiply
872,507.63x = 1,308,777.84 × 273,455.54 - Step 4: Simplify right side
872,507.63x = 357,892,550,977.23 - Step 5: Solve for x
x = 357,892,550,977.23/872,507.63 - Step 6: Final answer
x = 410,188.45
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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.