Finding the Fourth Proportional to 602,189.76, 903,781.56 and 302,755.44
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Solution
The fourth proportional to 602,189.76, 903,781.56 and 302,755.44 is: 454,382.99
Step by Step Solution
- Step 1: Write the proportion equation
602,189.76 : 903,781.56 = 302,755.44 : x - Step 2: Convert to fraction form
602,189.76/903,781.56 = 302,755.44/x - Step 3: Cross multiply
602,189.76x = 903,781.56 × 302,755.44 - Step 4: Simplify right side
602,189.76x = 273,624,783,861.69 - Step 5: Solve for x
x = 273,624,783,861.69/602,189.76 - Step 6: Final answer
x = 454,382.99
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1.5x scale
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.