Finding the Fourth Proportional to 926,870.24, 1,278,975.21 and 518,915.36
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Solution
The fourth proportional to 926,870.24, 1,278,975.21 and 518,915.36 is: 716,044.01
Step by Step Solution
- Step 1: Write the proportion equation
926,870.24 : 1,278,975.21 = 518,915.36 : x - Step 2: Convert to fraction form
926,870.24/1,278,975.21 = 518,915.36/x - Step 3: Cross multiply
926,870.24x = 1,278,975.21 × 518,915.36 - Step 4: Simplify right side
926,870.24x = 663,679,881,528.23 - Step 5: Solve for x
x = 663,679,881,528.23/926,870.24 - Step 6: Final answer
x = 716,044.01
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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.