Finding the Fourth Proportional to 808,724.96, 1,212,879.74 and 239,971.53
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Solution
The fourth proportional to 808,724.96, 1,212,879.74 and 239,971.53 is: 359,895.67
Step by Step Solution
- Step 1: Write the proportion equation
808,724.96 : 1,212,879.74 = 239,971.53 : x - Step 2: Convert to fraction form
808,724.96/1,212,879.74 = 239,971.53/x - Step 3: Cross multiply
808,724.96x = 1,212,879.74 × 239,971.53 - Step 4: Simplify right side
808,724.96x = 291,056,605,713.95 - Step 5: Solve for x
x = 291,056,605,713.95/808,724.96 - Step 6: Final answer
x = 359,895.67
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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.