Finding the Fourth Proportional to 667,001.93, 920,993.36 and 615,995.96
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Solution
The fourth proportional to 667,001.93, 920,993.36 and 615,995.96 is: 850,564.53
Step by Step Solution
- Step 1: Write the proportion equation
667,001.93 : 920,993.36 = 615,995.96 : x - Step 2: Convert to fraction form
667,001.93/920,993.36 = 615,995.96/x - Step 3: Cross multiply
667,001.93x = 920,993.36 × 615,995.96 - Step 4: Simplify right side
667,001.93x = 567,328,181,261.88 - Step 5: Solve for x
x = 567,328,181,261.88/667,001.93 - Step 6: Final answer
x = 850,564.53
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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.