Finding the Fourth Proportional to 531,256.80, 733,115.63 and 289,534.58
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Solution
The fourth proportional to 531,256.80, 733,115.63 and 289,534.58 is: 399,547.49
Step by Step Solution
- Step 1: Write the proportion equation
531,256.80 : 733,115.63 = 289,534.58 : x - Step 2: Convert to fraction form
531,256.80/733,115.63 = 289,534.58/x - Step 3: Cross multiply
531,256.80x = 733,115.63 × 289,534.58 - Step 4: Simplify right side
531,256.80x = 212,262,320,910.23 - Step 5: Solve for x
x = 212,262,320,910.23/531,256.80 - Step 6: Final answer
x = 399,547.49
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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.