Finding the Fourth Proportional to 912,366.84, 1,259,043.87 and 504,457.92
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Solution
The fourth proportional to 912,366.84, 1,259,043.87 and 504,457.92 is: 696,139.56
Step by Step Solution
- Step 1: Write the proportion equation
912,366.84 : 1,259,043.87 = 504,457.92 : x - Step 2: Convert to fraction form
912,366.84/1,259,043.87 = 504,457.92/x - Step 3: Cross multiply
912,366.84x = 1,259,043.87 × 504,457.92 - Step 4: Simplify right side
912,366.84x = 635,134,651,848.95 - Step 5: Solve for x
x = 635,134,651,848.95/912,366.84 - Step 6: Final answer
x = 696,139.56
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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.