Finding the Fourth Proportional to 929,881.20, 1,394,821.80 and 264,946.80
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Solution
The fourth proportional to 929,881.20, 1,394,821.80 and 264,946.80 is: 397,420.20
Step by Step Solution
- Step 1: Write the proportion equation
929,881.20 : 1,394,821.80 = 264,946.80 : x - Step 2: Convert to fraction form
929,881.20/1,394,821.80 = 264,946.80/x - Step 3: Cross multiply
929,881.20x = 1,394,821.80 × 264,946.80 - Step 4: Simplify right side
929,881.20x = 369,553,572,480.24 - Step 5: Solve for x
x = 369,553,572,480.24/929,881.20 - Step 6: Final answer
x = 397,420.20
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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.