Finding the Fourth Proportional to 529,920.36, 731,282.99 and 288,197.73
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Solution
The fourth proportional to 529,920.36, 731,282.99 and 288,197.73 is: 397,709.00
Step by Step Solution
- Step 1: Write the proportion equation
529,920.36 : 731,282.99 = 288,197.73 : x - Step 2: Convert to fraction form
529,920.36/731,282.99 = 288,197.73/x - Step 3: Cross multiply
529,920.36x = 731,282.99 × 288,197.73 - Step 4: Simplify right side
529,920.36x = 210,754,096,264.62 - Step 5: Solve for x
x = 210,754,096,264.62/529,920.36 - Step 6: Final answer
x = 397,709.00
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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.