Finding the Fourth Proportional to 917,334.05, 1,265,938.13 and 509,474.09
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Solution
The fourth proportional to 917,334.05, 1,265,938.13 and 509,474.09 is: 703,083.77
Step by Step Solution
- Step 1: Write the proportion equation
917,334.05 : 1,265,938.13 = 509,474.09 : x - Step 2: Convert to fraction form
917,334.05/1,265,938.13 = 509,474.09/x - Step 3: Cross multiply
917,334.05x = 1,265,938.13 × 509,474.09 - Step 4: Simplify right side
917,334.05x = 644,962,681,216.58 - Step 5: Solve for x
x = 644,962,681,216.58/917,334.05 - Step 6: Final answer
x = 703,083.77
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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.