Finding the Fourth Proportional to 602,723.49, 831,768.74 and 330,816.75
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Solution
The fourth proportional to 602,723.49, 831,768.74 and 330,816.75 is: 456,532.78
Step by Step Solution
- Step 1: Write the proportion equation
602,723.49 : 831,768.74 = 330,816.75 : x - Step 2: Convert to fraction form
602,723.49/831,768.74 = 330,816.75/x - Step 3: Cross multiply
602,723.49x = 831,768.74 × 330,816.75 - Step 4: Simplify right side
602,723.49x = 275,163,029,664.31 - Step 5: Solve for x
x = 275,163,029,664.31/602,723.49 - Step 6: Final answer
x = 456,532.78
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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.