Finding the Fourth Proportional to 531,122.97, 732,940.23 and 289,407.63
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Solution
The fourth proportional to 531,122.97, 732,940.23 and 289,407.63 is: 399,377.37
Step by Step Solution
- Step 1: Write the proportion equation
531,122.97 : 732,940.23 = 289,407.63 : x - Step 2: Convert to fraction form
531,122.97/732,940.23 = 289,407.63/x - Step 3: Cross multiply
531,122.97x = 732,940.23 × 289,407.63 - Step 4: Simplify right side
531,122.97x = 212,118,493,448.92 - Step 5: Solve for x
x = 212,118,493,448.92/531,122.97 - Step 6: Final answer
x = 399,377.37
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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.