Finding the Fourth Proportional to 1,029,656.58, 1,419,350.99 and 722,872.32
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Solution
The fourth proportional to 1,029,656.58, 1,419,350.99 and 722,872.32 is: 996,458.00
Step by Step Solution
- Step 1: Write the proportion equation
1,029,656.58 : 1,419,350.99 = 722,872.32 : x - Step 2: Convert to fraction form
1,029,656.58/1,419,350.99 = 722,872.32/x - Step 3: Cross multiply
1,029,656.58x = 1,419,350.99 × 722,872.32 - Step 4: Simplify right side
1,029,656.58x = 1,026,009,539,421.24 - Step 5: Solve for x
x = 1,026,009,539,421.24/1,029,656.58 - Step 6: Final answer
x = 996,458.00
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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.