Finding the Fourth Proportional to 719,373.07, 1,078,825.99 and 239,471.97
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Solution
The fourth proportional to 719,373.07, 1,078,825.99 and 239,471.97 is: 359,130.18
Step by Step Solution
- Step 1: Write the proportion equation
719,373.07 : 1,078,825.99 = 239,471.97 : x - Step 2: Convert to fraction form
719,373.07/1,078,825.99 = 239,471.97/x - Step 3: Cross multiply
719,373.07x = 1,078,825.99 × 239,471.97 - Step 4: Simplify right side
719,373.07x = 258,348,580,917.23 - Step 5: Solve for x
x = 258,348,580,917.23/719,373.07 - Step 6: Final answer
x = 359,130.18
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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.