Finding the Fourth Proportional to 935,794.44, 1,291,745.61 and 728,652.78
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Solution
The fourth proportional to 935,794.44, 1,291,745.61 and 728,652.78 is: 1,005,812.80
Step by Step Solution
- Step 1: Write the proportion equation
935,794.44 : 1,291,745.61 = 728,652.78 : x - Step 2: Convert to fraction form
935,794.44/1,291,745.61 = 728,652.78/x - Step 3: Cross multiply
935,794.44x = 1,291,745.61 × 728,652.78 - Step 4: Simplify right side
935,794.44x = 941,234,029,779.30 - Step 5: Solve for x
x = 941,234,029,779.30/935,794.44 - Step 6: Final answer
x = 1,005,812.80
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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.