Finding the Fourth Proportional to 463,709.57, 643,193.09 and 451,418.63
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Solution
The fourth proportional to 463,709.57, 643,193.09 and 451,418.63 is: 626,144.82
Step by Step Solution
- Step 1: Write the proportion equation
463,709.57 : 643,193.09 = 451,418.63 : x - Step 2: Convert to fraction form
463,709.57/643,193.09 = 451,418.63/x - Step 3: Cross multiply
463,709.57x = 643,193.09 × 451,418.63 - Step 4: Simplify right side
463,709.57x = 290,349,341,905.28 - Step 5: Solve for x
x = 290,349,341,905.28/463,709.57 - Step 6: Final answer
x = 626,144.82
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.