Finding the Fourth Proportional to 928,282.26, 1,392,424.61 and 254,369.55
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Solution
The fourth proportional to 928,282.26, 1,392,424.61 and 254,369.55 is: 381,554.66
Step by Step Solution
- Step 1: Write the proportion equation
928,282.26 : 1,392,424.61 = 254,369.55 : x - Step 2: Convert to fraction form
928,282.26/1,392,424.61 = 254,369.55/x - Step 3: Cross multiply
928,282.26x = 1,392,424.61 × 254,369.55 - Step 4: Simplify right side
928,282.26x = 354,190,420,182.78 - Step 5: Solve for x
x = 354,190,420,182.78/928,282.26 - Step 6: Final answer
x = 381,554.66
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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.