Finding the Fourth Proportional to 862,557.03, 1,190,336.97 and 475,386.50
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Solution
The fourth proportional to 862,557.03, 1,190,336.97 and 475,386.50 is: 656,037.92
Step by Step Solution
- Step 1: Write the proportion equation
862,557.03 : 1,190,336.97 = 475,386.50 : x - Step 2: Convert to fraction form
862,557.03/1,190,336.97 = 475,386.50/x - Step 3: Cross multiply
862,557.03x = 1,190,336.97 × 475,386.50 - Step 4: Simplify right side
862,557.03x = 565,870,120,037.22 - Step 5: Solve for x
x = 565,870,120,037.22/862,557.03 - Step 6: Final answer
x = 656,037.92
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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.