Finding the Fourth Proportional to 913,352.97, 1,260,430.47 and 494,248.82
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Solution
The fourth proportional to 913,352.97, 1,260,430.47 and 494,248.82 is: 682,065.19
Step by Step Solution
- Step 1: Write the proportion equation
913,352.97 : 1,260,430.47 = 494,248.82 : x - Step 2: Convert to fraction form
913,352.97/1,260,430.47 = 494,248.82/x - Step 3: Cross multiply
913,352.97x = 1,260,430.47 × 494,248.82 - Step 4: Simplify right side
913,352.97x = 622,966,270,018.30 - Step 5: Solve for x
x = 622,966,270,018.30/913,352.97 - Step 6: Final answer
x = 682,065.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.