Finding the Fourth Proportional to 531,203.36, 733,060.77 and 289,485.99
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Solution
The fourth proportional to 531,203.36, 733,060.77 and 289,485.99 is: 399,490.74
Step by Step Solution
- Step 1: Write the proportion equation
531,203.36 : 733,060.77 = 289,485.99 : x - Step 2: Convert to fraction form
531,203.36/733,060.77 = 289,485.99/x - Step 3: Cross multiply
531,203.36x = 733,060.77 × 289,485.99 - Step 4: Simplify right side
531,203.36x = 212,210,822,733.61 - Step 5: Solve for x
x = 212,210,822,733.61/531,203.36 - Step 6: Final answer
x = 399,490.74
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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.