Finding the Fourth Proportional to 658,723.68, 909,039.33 and 356,917.68
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Solution
The fourth proportional to 658,723.68, 909,039.33 and 356,917.68 is: 492,546.75
Step by Step Solution
- Step 1: Write the proportion equation
658,723.68 : 909,039.33 = 356,917.68 : x - Step 2: Convert to fraction form
658,723.68/909,039.33 = 356,917.68/x - Step 3: Cross multiply
658,723.68x = 909,039.33 × 356,917.68 - Step 4: Simplify right side
658,723.68x = 324,452,208,692.35 - Step 5: Solve for x
x = 324,452,208,692.35/658,723.68 - Step 6: Final answer
x = 492,546.75
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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.