Finding the Fourth Proportional to 639,924.06, 883,163.34 and 368,003.82
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Solution
The fourth proportional to 639,924.06, 883,163.34 and 368,003.82 is: 507,884.46
Step by Step Solution
- Step 1: Write the proportion equation
639,924.06 : 883,163.34 = 368,003.82 : x - Step 2: Convert to fraction form
639,924.06/883,163.34 = 368,003.82/x - Step 3: Cross multiply
639,924.06x = 883,163.34 × 368,003.82 - Step 4: Simplify right side
639,924.06x = 325,007,482,803.96 - Step 5: Solve for x
x = 325,007,482,803.96/639,924.06 - Step 6: Final answer
x = 507,884.46
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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.