Finding the Fourth Proportional to 827,929.01, 1,242,375.39 and 348,122.09
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Solution
The fourth proportional to 827,929.01, 1,242,375.39 and 348,122.09 is: 522,385.75
Step by Step Solution
- Step 1: Write the proportion equation
827,929.01 : 1,242,375.39 = 348,122.09 : x - Step 2: Convert to fraction form
827,929.01/1,242,375.39 = 348,122.09/x - Step 3: Cross multiply
827,929.01x = 1,242,375.39 × 348,122.09 - Step 4: Simplify right side
827,929.01x = 432,498,311,119.49 - Step 5: Solve for x
x = 432,498,311,119.49/827,929.01 - Step 6: Final answer
x = 522,385.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.