Finding the Fourth Proportional to 980,356.17, 1,471,793.58 and 755,859.18
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Solution
The fourth proportional to 980,356.17, 1,471,793.58 and 755,859.18 is: 1,134,759.72
Step by Step Solution
- Step 1: Write the proportion equation
980,356.17 : 1,471,793.58 = 755,859.18 : x - Step 2: Convert to fraction form
980,356.17/1,471,793.58 = 755,859.18/x - Step 3: Cross multiply
980,356.17x = 1,471,793.58 × 755,859.18 - Step 4: Simplify right side
980,356.17x = 1,112,468,688,508.06 - Step 5: Solve for x
x = 1,112,468,688,508.06/980,356.17 - Step 6: Final answer
x = 1,134,759.72
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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.