Finding the Fourth Proportional to 463,709.70, 643,193.27 and 451,418.76
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Solution
The fourth proportional to 463,709.70, 643,193.27 and 451,418.76 is: 626,144.99
Step by Step Solution
- Step 1: Write the proportion equation
463,709.70 : 643,193.27 = 451,418.76 : x - Step 2: Convert to fraction form
463,709.70/643,193.27 = 451,418.76/x - Step 3: Cross multiply
463,709.70x = 643,193.27 × 451,418.76 - Step 4: Simplify right side
463,709.70x = 290,349,506,126.65 - Step 5: Solve for x
x = 290,349,506,126.65/463,709.70 - Step 6: Final answer
x = 626,144.99
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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.