Finding the Fourth Proportional to 803,724.40, 1,109,153.98 and 441,181.99
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Solution
The fourth proportional to 803,724.40, 1,109,153.98 and 441,181.99 is: 608,839.01
Step by Step Solution
- Step 1: Write the proportion equation
803,724.40 : 1,109,153.98 = 441,181.99 : x - Step 2: Convert to fraction form
803,724.40/1,109,153.98 = 441,181.99/x - Step 3: Cross multiply
803,724.40x = 1,109,153.98 × 441,181.99 - Step 4: Simplify right side
803,724.40x = 489,338,763,291.57 - Step 5: Solve for x
x = 489,338,763,291.57/803,724.40 - Step 6: Final answer
x = 608,839.01
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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.