Finding the Fourth Proportional to 683,221.57, 1,024,278.51 and 284,161.09
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Solution
The fourth proportional to 683,221.57, 1,024,278.51 and 284,161.09 is: 426,011.28
Step by Step Solution
- Step 1: Write the proportion equation
683,221.57 : 1,024,278.51 = 284,161.09 : x - Step 2: Convert to fraction form
683,221.57/1,024,278.51 = 284,161.09/x - Step 3: Cross multiply
683,221.57x = 1,024,278.51 × 284,161.09 - Step 4: Simplify right side
683,221.57x = 291,060,097,865.18 - Step 5: Solve for x
x = 291,060,097,865.18/683,221.57 - Step 6: Final answer
x = 426,011.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.