Finding the Fourth Proportional to 868,637.21, 1,304,450.51 and 831,270.26
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Solution
The fourth proportional to 868,637.21, 1,304,450.51 and 831,270.26 is: 1,248,335.78
Step by Step Solution
- Step 1: Write the proportion equation
868,637.21 : 1,304,450.51 = 831,270.26 : x - Step 2: Convert to fraction form
868,637.21/1,304,450.51 = 831,270.26/x - Step 3: Cross multiply
868,637.21x = 1,304,450.51 × 831,270.26 - Step 4: Simplify right side
868,637.21x = 1,084,350,913,709.61 - Step 5: Solve for x
x = 1,084,350,913,709.61/868,637.21 - Step 6: Final answer
x = 1,248,335.78
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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.