Finding the Fourth Proportional to 979,014.48, 1,468,239.48 and 269,065.68
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Solution
The fourth proportional to 979,014.48, 1,468,239.48 and 269,065.68 is: 403,520.95
Step by Step Solution
- Step 1: Write the proportion equation
979,014.48 : 1,468,239.48 = 269,065.68 : x - Step 2: Convert to fraction form
979,014.48/1,468,239.48 = 269,065.68/x - Step 3: Cross multiply
979,014.48x = 1,468,239.48 × 269,065.68 - Step 4: Simplify right side
979,014.48x = 395,052,854,089.05 - Step 5: Solve for x
x = 395,052,854,089.05/979,014.48 - Step 6: Final answer
x = 403,520.95
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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.