Finding the Fourth Proportional to 1,344,092.28, 2,015,905.14 and 457,628.28
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Solution
The fourth proportional to 1,344,092.28, 2,015,905.14 and 457,628.28 is: 686,362.99
Step by Step Solution
- Step 1: Write the proportion equation
1,344,092.28 : 2,015,905.14 = 457,628.28 : x - Step 2: Convert to fraction form
1,344,092.28/2,015,905.14 = 457,628.28/x - Step 3: Cross multiply
1,344,092.28x = 2,015,905.14 × 457,628.28 - Step 4: Simplify right side
1,344,092.28x = 922,535,201,861.36 - Step 5: Solve for x
x = 922,535,201,861.36/1,344,092.28 - Step 6: Final answer
x = 686,362.99
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1.5x scale
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.