Finding the Fourth Proportional to 472,239.77, 651,940.08 and 379,352.48
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Solution
The fourth proportional to 472,239.77, 651,940.08 and 379,352.48 is: 523,706.60
Step by Step Solution
- Step 1: Write the proportion equation
472,239.77 : 651,940.08 = 379,352.48 : x - Step 2: Convert to fraction form
472,239.77/651,940.08 = 379,352.48/x - Step 3: Cross multiply
472,239.77x = 651,940.08 × 379,352.48 - Step 4: Simplify right side
472,239.77x = 247,315,086,159.40 - Step 5: Solve for x
x = 247,315,086,159.40/472,239.77 - Step 6: Final answer
x = 523,706.60
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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.