Finding the Fourth Proportional to 805,926.11, 1,208,632.32 and 266,081.76
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Solution
The fourth proportional to 805,926.11, 1,208,632.32 and 266,081.76 is: 399,037.84
Step by Step Solution
- Step 1: Write the proportion equation
805,926.11 : 1,208,632.32 = 266,081.76 : x - Step 2: Convert to fraction form
805,926.11/1,208,632.32 = 266,081.76/x - Step 3: Cross multiply
805,926.11x = 1,208,632.32 × 266,081.76 - Step 4: Simplify right side
805,926.11x = 321,595,014,898.48 - Step 5: Solve for x
x = 321,595,014,898.48/805,926.11 - Step 6: Final answer
x = 399,037.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.