Finding the Fourth Proportional to 779,986.44, 1,170,154.62 and 247,524.84
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Solution
The fourth proportional to 779,986.44, 1,170,154.62 and 247,524.84 is: 371,342.78
Step by Step Solution
- Step 1: Write the proportion equation
779,986.44 : 1,170,154.62 = 247,524.84 : x - Step 2: Convert to fraction form
779,986.44/1,170,154.62 = 247,524.84/x - Step 3: Cross multiply
779,986.44x = 1,170,154.62 × 247,524.84 - Step 4: Simplify right side
779,986.44x = 289,642,335,090.76 - Step 5: Solve for x
x = 289,642,335,090.76/779,986.44 - Step 6: Final answer
x = 371,342.78
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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.