Finding the Fourth Proportional to 763,533.75, 1,144,795.14 and 364,236.15
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Solution
The fourth proportional to 763,533.75, 1,144,795.14 and 364,236.15 is: 546,113.09
Step by Step Solution
- Step 1: Write the proportion equation
763,533.75 : 1,144,795.14 = 364,236.15 : x - Step 2: Convert to fraction form
763,533.75/1,144,795.14 = 364,236.15/x - Step 3: Cross multiply
763,533.75x = 1,144,795.14 × 364,236.15 - Step 4: Simplify right side
763,533.75x = 416,975,774,332.31 - Step 5: Solve for x
x = 416,975,774,332.31/763,533.75 - Step 6: Final answer
x = 546,113.09
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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.