Finding the Fourth Proportional to 893,575.68, 1,233,142.67 and 485,678.44
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Solution
The fourth proportional to 893,575.68, 1,233,142.67 and 485,678.44 is: 670,240.72
Step by Step Solution
- Step 1: Write the proportion equation
893,575.68 : 1,233,142.67 = 485,678.44 : x - Step 2: Convert to fraction form
893,575.68/1,233,142.67 = 485,678.44/x - Step 3: Cross multiply
893,575.68x = 1,233,142.67 × 485,678.44 - Step 4: Simplify right side
893,575.68x = 598,910,808,263.04 - Step 5: Solve for x
x = 598,910,808,263.04/893,575.68 - Step 6: Final answer
x = 670,240.72
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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.