Finding the Fourth Proportional to 793,739.08, 1,190,772.65 and 261,292.06
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Solution
The fourth proportional to 793,739.08, 1,190,772.65 and 261,292.06 is: 391,992.09
Step by Step Solution
- Step 1: Write the proportion equation
793,739.08 : 1,190,772.65 = 261,292.06 : x - Step 2: Convert to fraction form
793,739.08/1,190,772.65 = 261,292.06/x - Step 3: Cross multiply
793,739.08x = 1,190,772.65 × 261,292.06 - Step 4: Simplify right side
793,739.08x = 311,139,438,710.16 - Step 5: Solve for x
x = 311,139,438,710.16/793,739.08 - Step 6: Final answer
x = 391,992.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.