Finding the Fourth Proportional to 793,740.08, 1,190,774.15 and 261,293.06
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Solution
The fourth proportional to 793,740.08, 1,190,774.15 and 261,293.06 is: 391,993.59
Step by Step Solution
- Step 1: Write the proportion equation
793,740.08 : 1,190,774.15 = 261,293.06 : x - Step 2: Convert to fraction form
793,740.08/1,190,774.15 = 261,293.06/x - Step 3: Cross multiply
793,740.08x = 1,190,774.15 × 261,293.06 - Step 4: Simplify right side
793,740.08x = 311,141,021,422.40 - Step 5: Solve for x
x = 311,141,021,422.40/793,740.08 - Step 6: Final answer
x = 391,993.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.