Finding the Fourth Proportional to 655,849.32, 905,489.94 and 535,278.21
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Solution
The fourth proportional to 655,849.32, 905,489.94 and 535,278.21 is: 739,024.99
Step by Step Solution
- Step 1: Write the proportion equation
655,849.32 : 905,489.94 = 535,278.21 : x - Step 2: Convert to fraction form
655,849.32/905,489.94 = 535,278.21/x - Step 3: Cross multiply
655,849.32x = 905,489.94 × 535,278.21 - Step 4: Simplify right side
655,849.32x = 484,689,034,256.21 - Step 5: Solve for x
x = 484,689,034,256.21/655,849.32 - Step 6: Final answer
x = 739,024.99
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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.