Finding the Fourth Proportional to 968,201.80, 1,336,135.65 and 538,482.13
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Solution
The fourth proportional to 968,201.80, 1,336,135.65 and 538,482.13 is: 743,114.89
Step by Step Solution
- Step 1: Write the proportion equation
968,201.80 : 1,336,135.65 = 538,482.13 : x - Step 2: Convert to fraction form
968,201.80/1,336,135.65 = 538,482.13/x - Step 3: Cross multiply
968,201.80x = 1,336,135.65 × 538,482.13 - Step 4: Simplify right side
968,201.80x = 719,485,170,780.94 - Step 5: Solve for x
x = 719,485,170,780.94/968,201.80 - Step 6: Final answer
x = 743,114.89
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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.