Finding the Fourth Proportional to 572,006.44, 789,366.69 and 313,887.70
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Solution
The fourth proportional to 572,006.44, 789,366.69 and 313,887.70 is: 433,163.82
Step by Step Solution
- Step 1: Write the proportion equation
572,006.44 : 789,366.69 = 313,887.70 : x - Step 2: Convert to fraction form
572,006.44/789,366.69 = 313,887.70/x - Step 3: Cross multiply
572,006.44x = 789,366.69 × 313,887.70 - Step 4: Simplify right side
572,006.44x = 247,772,494,780.71 - Step 5: Solve for x
x = 247,772,494,780.71/572,006.44 - Step 6: Final answer
x = 433,163.82
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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.