Finding the Fourth Proportional to 844,235.80, 1,266,353.70 and 253,259.80
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Solution
The fourth proportional to 844,235.80, 1,266,353.70 and 253,259.80 is: 379,889.70
Step by Step Solution
- Step 1: Write the proportion equation
844,235.80 : 1,266,353.70 = 253,259.80 : x - Step 2: Convert to fraction form
844,235.80/1,266,353.70 = 253,259.80/x - Step 3: Cross multiply
844,235.80x = 1,266,353.70 × 253,259.80 - Step 4: Simplify right side
844,235.80x = 320,716,484,791.26 - Step 5: Solve for x
x = 320,716,484,791.26/844,235.80 - Step 6: Final answer
x = 379,889.70
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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.