Finding the Fourth Proportional to 655,926.26, 905,242.62 and 383,977.66
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Solution
The fourth proportional to 655,926.26, 905,242.62 and 383,977.66 is: 529,926.86
Step by Step Solution
- Step 1: Write the proportion equation
655,926.26 : 905,242.62 = 383,977.66 : x - Step 2: Convert to fraction form
655,926.26/905,242.62 = 383,977.66/x - Step 3: Cross multiply
655,926.26x = 905,242.62 × 383,977.66 - Step 4: Simplify right side
655,926.26x = 347,592,942,959.87 - Step 5: Solve for x
x = 347,592,942,959.87/655,926.26 - Step 6: Final answer
x = 529,926.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.