Finding the Fourth Proportional to 558,783.36, 771,121.08 and 304,136.40
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Solution
The fourth proportional to 558,783.36, 771,121.08 and 304,136.40 is: 419,708.26
Step by Step Solution
- Step 1: Write the proportion equation
558,783.36 : 771,121.08 = 304,136.40 : x - Step 2: Convert to fraction form
558,783.36/771,121.08 = 304,136.40/x - Step 3: Cross multiply
558,783.36x = 771,121.08 × 304,136.40 - Step 4: Simplify right side
558,783.36x = 234,525,989,235.31 - Step 5: Solve for x
x = 234,525,989,235.31/558,783.36 - Step 6: Final answer
x = 419,708.26
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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.