Finding the Fourth Proportional to 609,512.56, 841,136.12 and 351,384.73
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Solution
The fourth proportional to 609,512.56, 841,136.12 and 351,384.73 is: 484,915.99
Step by Step Solution
- Step 1: Write the proportion equation
609,512.56 : 841,136.12 = 351,384.73 : x - Step 2: Convert to fraction form
609,512.56/841,136.12 = 351,384.73/x - Step 3: Cross multiply
609,512.56x = 841,136.12 × 351,384.73 - Step 4: Simplify right side
609,512.56x = 295,562,388,419.45 - Step 5: Solve for x
x = 295,562,388,419.45/609,512.56 - Step 6: Final answer
x = 484,915.99
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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.