Finding the Fourth Proportional to 628,258.08, 866,997.36 and 341,779.44
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Solution
The fourth proportional to 628,258.08, 866,997.36 and 341,779.44 is: 471,656.29
Step by Step Solution
- Step 1: Write the proportion equation
628,258.08 : 866,997.36 = 341,779.44 : x - Step 2: Convert to fraction form
628,258.08/866,997.36 = 341,779.44/x - Step 3: Cross multiply
628,258.08x = 866,997.36 × 341,779.44 - Step 4: Simplify right side
628,258.08x = 296,321,872,182.28 - Step 5: Solve for x
x = 296,321,872,182.28/628,258.08 - Step 6: Final answer
x = 471,656.29
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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.