Finding the Fourth Proportional to 791,287.99, 1,091,977.68 and 428,714.35
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Solution
The fourth proportional to 791,287.99, 1,091,977.68 and 428,714.35 is: 591,625.94
Step by Step Solution
- Step 1: Write the proportion equation
791,287.99 : 1,091,977.68 = 428,714.35 : x - Step 2: Convert to fraction form
791,287.99/1,091,977.68 = 428,714.35/x - Step 3: Cross multiply
791,287.99x = 1,091,977.68 × 428,714.35 - Step 4: Simplify right side
791,287.99x = 468,146,501,295.71 - Step 5: Solve for x
x = 468,146,501,295.71/791,287.99 - Step 6: Final answer
x = 591,625.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.