Finding the Fourth Proportional to 903,112.50, 1,353,720.42 and 303,865.62
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Solution
The fourth proportional to 903,112.50, 1,353,720.42 and 303,865.62 is: 455,479.35
Step by Step Solution
- Step 1: Write the proportion equation
903,112.50 : 1,353,720.42 = 303,865.62 : x - Step 2: Convert to fraction form
903,112.50/1,353,720.42 = 303,865.62/x - Step 3: Cross multiply
903,112.50x = 1,353,720.42 × 303,865.62 - Step 4: Simplify right side
903,112.50x = 411,349,094,729.96 - Step 5: Solve for x
x = 411,349,094,729.96/903,112.50 - Step 6: Final answer
x = 455,479.35
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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.