Finding the Fourth Proportional to 777,334.14, 1,166,157.95 and 328,055.49
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Solution
The fourth proportional to 777,334.14, 1,166,157.95 and 328,055.49 is: 492,149.38
Step by Step Solution
- Step 1: Write the proportion equation
777,334.14 : 1,166,157.95 = 328,055.49 : x - Step 2: Convert to fraction form
777,334.14/1,166,157.95 = 328,055.49/x - Step 3: Cross multiply
777,334.14x = 1,166,157.95 × 328,055.49 - Step 4: Simplify right side
777,334.14x = 382,564,516,064.37 - Step 5: Solve for x
x = 382,564,516,064.37/777,334.14 - Step 6: Final answer
x = 492,149.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.