Finding the Fourth Proportional to 602,618.02, 831,584.70 and 330,679.06
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Solution
The fourth proportional to 602,618.02, 831,584.70 and 330,679.06 is: 456,321.65
Step by Step Solution
- Step 1: Write the proportion equation
602,618.02 : 831,584.70 = 330,679.06 : x - Step 2: Convert to fraction form
602,618.02/831,584.70 = 330,679.06/x - Step 3: Cross multiply
602,618.02x = 831,584.70 × 330,679.06 - Step 4: Simplify right side
602,618.02x = 274,987,646,906.38 - Step 5: Solve for x
x = 274,987,646,906.38/602,618.02 - Step 6: Final answer
x = 456,321.65
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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.