Finding the Fourth Proportional to 680,037.67, 1,020,057.20 and 253,566.99
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Solution
The fourth proportional to 680,037.67, 1,020,057.20 and 253,566.99 is: 380,350.74
Step by Step Solution
- Step 1: Write the proportion equation
680,037.67 : 1,020,057.20 = 253,566.99 : x - Step 2: Convert to fraction form
680,037.67/1,020,057.20 = 253,566.99/x - Step 3: Cross multiply
680,037.67x = 1,020,057.20 × 253,566.99 - Step 4: Simplify right side
680,037.67x = 258,652,833,831.83 - Step 5: Solve for x
x = 258,652,833,831.83/680,037.67 - Step 6: Final answer
x = 380,350.74
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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.