Finding the Fourth Proportional to 655,852.26, 905,140.68 and 383,903.67
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Solution
The fourth proportional to 655,852.26, 905,140.68 and 383,903.67 is: 529,824.86
Step by Step Solution
- Step 1: Write the proportion equation
655,852.26 : 905,140.68 = 383,903.67 : x - Step 2: Convert to fraction form
655,852.26/905,140.68 = 383,903.67/x - Step 3: Cross multiply
655,852.26x = 905,140.68 × 383,903.67 - Step 4: Simplify right side
655,852.26x = 347,486,828,918.30 - Step 5: Solve for x
x = 347,486,828,918.30/655,852.26 - Step 6: Final answer
x = 529,824.86
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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.