Finding the Fourth Proportional to 979,163.52, 1,350,483.84 and 708,247.68
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Solution
The fourth proportional to 979,163.52, 1,350,483.84 and 708,247.68 is: 976,830.76
Step by Step Solution
- Step 1: Write the proportion equation
979,163.52 : 1,350,483.84 = 708,247.68 : x - Step 2: Convert to fraction form
979,163.52/1,350,483.84 = 708,247.68/x - Step 3: Cross multiply
979,163.52x = 1,350,483.84 × 708,247.68 - Step 4: Simplify right side
979,163.52x = 956,477,046,557.49 - Step 5: Solve for x
x = 956,477,046,557.49/979,163.52 - Step 6: Final answer
x = 976,830.76
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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.