Finding the Fourth Proportional to 968,274.18, 1,336,115.97 and 538,485.30
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Solution
The fourth proportional to 968,274.18, 1,336,115.97 and 538,485.30 is: 743,052.77
Step by Step Solution
- Step 1: Write the proportion equation
968,274.18 : 1,336,115.97 = 538,485.30 : x - Step 2: Convert to fraction form
968,274.18/1,336,115.97 = 538,485.30/x - Step 3: Cross multiply
968,274.18x = 1,336,115.97 × 538,485.30 - Step 4: Simplify right side
968,274.18x = 719,478,808,940.24 - Step 5: Solve for x
x = 719,478,808,940.24/968,274.18 - Step 6: Final answer
x = 743,052.77
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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.