Finding the Fourth Proportional to 683,539.76, 1,025,334.25 and 257,036.49
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Solution
The fourth proportional to 683,539.76, 1,025,334.25 and 257,036.49 is: 385,563.99
Step by Step Solution
- Step 1: Write the proportion equation
683,539.76 : 1,025,334.25 = 257,036.49 : x - Step 2: Convert to fraction form
683,539.76/1,025,334.25 = 257,036.49/x - Step 3: Cross multiply
683,539.76x = 1,025,334.25 × 257,036.49 - Step 4: Simplify right side
683,539.76x = 263,548,316,054.19 - Step 5: Solve for x
x = 263,548,316,054.19/683,539.76 - Step 6: Final answer
x = 385,563.99
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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.