Finding the Fourth Proportional to 531,409.23, 733,317.57 and 289,667.97
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Solution
The fourth proportional to 531,409.23, 733,317.57 and 289,667.97 is: 399,726.99
Step by Step Solution
- Step 1: Write the proportion equation
531,409.23 : 733,317.57 = 289,667.97 : x - Step 2: Convert to fraction form
531,409.23/733,317.57 = 289,667.97/x - Step 3: Cross multiply
531,409.23x = 733,317.57 × 289,667.97 - Step 4: Simplify right side
531,409.23x = 212,418,611,867.23 - Step 5: Solve for x
x = 212,418,611,867.23/531,409.23 - Step 6: Final answer
x = 399,726.99
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1.5x scale
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.