Finding the Fourth Proportional to 740,533.20, 1,110,799.79 and 179,567.70
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Solution
The fourth proportional to 740,533.20, 1,110,799.79 and 179,567.70 is: 269,351.55
Step by Step Solution
- Step 1: Write the proportion equation
740,533.20 : 1,110,799.79 = 179,567.70 : x - Step 2: Convert to fraction form
740,533.20/1,110,799.79 = 179,567.70/x - Step 3: Cross multiply
740,533.20x = 1,110,799.79 × 179,567.70 - Step 4: Simplify right side
740,533.20x = 199,463,763,450.78 - Step 5: Solve for x
x = 199,463,763,450.78/740,533.20 - Step 6: Final answer
x = 269,351.55
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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.