Finding the Fourth Proportional to 531,125.97, 732,944.36 and 289,410.63
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Solution
The fourth proportional to 531,125.97, 732,944.36 and 289,410.63 is: 399,381.50
Step by Step Solution
- Step 1: Write the proportion equation
531,125.97 : 732,944.36 = 289,410.63 : x - Step 2: Convert to fraction form
531,125.97/732,944.36 = 289,410.63/x - Step 3: Cross multiply
531,125.97x = 732,944.36 × 289,410.63 - Step 4: Simplify right side
531,125.97x = 212,121,888,982.55 - Step 5: Solve for x
x = 212,121,888,982.55/531,125.97 - Step 6: Final answer
x = 399,381.50
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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.