Finding the Fourth Proportional to 772,110.60, 1,158,318.99 and 239,608.91
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Solution
The fourth proportional to 772,110.60, 1,158,318.99 and 239,608.91 is: 359,460.87
Step by Step Solution
- Step 1: Write the proportion equation
772,110.60 : 1,158,318.99 = 239,608.91 : x - Step 2: Convert to fraction form
772,110.60/1,158,318.99 = 239,608.91/x - Step 3: Cross multiply
772,110.60x = 1,158,318.99 × 239,608.91 - Step 4: Simplify right side
772,110.60x = 277,543,544,834.61 - Step 5: Solve for x
x = 277,543,544,834.61/772,110.60 - Step 6: Final answer
x = 359,460.87
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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.