Finding the Fourth Proportional to 413,627.70, 619,129.35 and 413,627.70
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Solution
The fourth proportional to 413,627.70, 619,129.35 and 413,627.70 is: 619,129.35
Step by Step Solution
- Step 1: Write the proportion equation
413,627.70 : 619,129.35 = 413,627.70 : x - Step 2: Convert to fraction form
413,627.70/619,129.35 = 413,627.70/x - Step 3: Cross multiply
413,627.70x = 619,129.35 × 413,627.70 - Step 4: Simplify right side
413,627.70x = 256,089,049,043.00 - Step 5: Solve for x
x = 256,089,049,043.00/413,627.70 - Step 6: Final answer
x = 619,129.35
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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.