Finding the Fourth Proportional to 862,101.68, 1,189,737.24 and 480,128.46
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Solution
The fourth proportional to 862,101.68, 1,189,737.24 and 480,128.46 is: 662,597.84
Step by Step Solution
- Step 1: Write the proportion equation
862,101.68 : 1,189,737.24 = 480,128.46 : x - Step 2: Convert to fraction form
862,101.68/1,189,737.24 = 480,128.46/x - Step 3: Cross multiply
862,101.68x = 1,189,737.24 × 480,128.46 - Step 4: Simplify right side
862,101.68x = 571,226,708,845.85 - Step 5: Solve for x
x = 571,226,708,845.85/862,101.68 - Step 6: Final answer
x = 662,597.84
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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.