Finding the Fourth Proportional to 529,847.76, 731,160.36 and 303,507.84
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Solution
The fourth proportional to 529,847.76, 731,160.36 and 303,507.84 is: 418,823.89
Step by Step Solution
- Step 1: Write the proportion equation
529,847.76 : 731,160.36 = 303,507.84 : x - Step 2: Convert to fraction form
529,847.76/731,160.36 = 303,507.84/x - Step 3: Cross multiply
529,847.76x = 731,160.36 × 303,507.84 - Step 4: Simplify right side
529,847.76x = 221,912,901,557.22 - Step 5: Solve for x
x = 221,912,901,557.22/529,847.76 - Step 6: Final answer
x = 418,823.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.