Finding the Fourth Proportional to 738,204.74, 1,018,684.86 and 415,933.88
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Solution
The fourth proportional to 738,204.74, 1,018,684.86 and 415,933.88 is: 573,967.52
Step by Step Solution
- Step 1: Write the proportion equation
738,204.74 : 1,018,684.86 = 415,933.88 : x - Step 2: Convert to fraction form
738,204.74/1,018,684.86 = 415,933.88/x - Step 3: Cross multiply
738,204.74x = 1,018,684.86 × 415,933.88 - Step 4: Simplify right side
738,204.74x = 423,705,546,317.06 - Step 5: Solve for x
x = 423,705,546,317.06/738,204.74 - Step 6: Final answer
x = 573,967.52
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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.