Finding the Fourth Proportional to 535,575.90, 739,094.67 and 306,138.09
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Solution
The fourth proportional to 535,575.90, 739,094.67 and 306,138.09 is: 422,470.52
Step by Step Solution
- Step 1: Write the proportion equation
535,575.90 : 739,094.67 = 306,138.09 : x - Step 2: Convert to fraction form
535,575.90/739,094.67 = 306,138.09/x - Step 3: Cross multiply
535,575.90x = 739,094.67 × 306,138.09 - Step 4: Simplify right side
535,575.90x = 226,265,030,602.98 - Step 5: Solve for x
x = 226,265,030,602.98/535,575.90 - Step 6: Final answer
x = 422,470.52
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1.5x scale
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.