Finding the Fourth Proportional to 850,811.99, 1,174,128.41 and 468,852.44
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Solution
The fourth proportional to 850,811.99, 1,174,128.41 and 468,852.44 is: 647,020.70
Step by Step Solution
- Step 1: Write the proportion equation
850,811.99 : 1,174,128.41 = 468,852.44 : x - Step 2: Convert to fraction form
850,811.99/1,174,128.41 = 468,852.44/x - Step 3: Cross multiply
850,811.99x = 1,174,128.41 × 468,852.44 - Step 4: Simplify right side
850,811.99x = 550,492,965,203.31 - Step 5: Solve for x
x = 550,492,965,203.31/850,811.99 - Step 6: Final answer
x = 647,020.70
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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.