Finding the Fourth Proportional to 602,808.94, 831,887.09 and 330,902.14
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Solution
The fourth proportional to 602,808.94, 831,887.09 and 330,902.14 is: 456,650.86
Step by Step Solution
- Step 1: Write the proportion equation
602,808.94 : 831,887.09 = 330,902.14 : x - Step 2: Convert to fraction form
602,808.94/831,887.09 = 330,902.14/x - Step 3: Cross multiply
602,808.94x = 831,887.09 × 330,902.14 - Step 4: Simplify right side
602,808.94x = 275,273,218,319.37 - Step 5: Solve for x
x = 275,273,218,319.37/602,808.94 - Step 6: Final answer
x = 456,650.86
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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.