Finding the Fourth Proportional to 805,719.68, 1,208,623.68 and 265,953.92
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Solution
The fourth proportional to 805,719.68, 1,208,623.68 and 265,953.92 is: 398,945.46
Step by Step Solution
- Step 1: Write the proportion equation
805,719.68 : 1,208,623.68 = 265,953.92 : x - Step 2: Convert to fraction form
805,719.68/1,208,623.68 = 265,953.92/x - Step 3: Cross multiply
805,719.68x = 1,208,623.68 × 265,953.92 - Step 4: Simplify right side
805,719.68x = 321,438,205,500.83 - Step 5: Solve for x
x = 321,438,205,500.83/805,719.68 - Step 6: Final answer
x = 398,945.46
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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.