Finding the Fourth Proportional to 803,808.11, 1,109,257.62 and 441,269.12
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Solution
The fourth proportional to 803,808.11, 1,109,257.62 and 441,269.12 is: 608,952.72
Step by Step Solution
- Step 1: Write the proportion equation
803,808.11 : 1,109,257.62 = 441,269.12 : x - Step 2: Convert to fraction form
803,808.11/1,109,257.62 = 441,269.12/x - Step 3: Cross multiply
803,808.11x = 1,109,257.62 × 441,269.12 - Step 4: Simplify right side
803,808.11x = 489,481,133,830.69 - Step 5: Solve for x
x = 489,481,133,830.69/803,808.11 - Step 6: Final answer
x = 608,952.72
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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.