Finding the Fourth Proportional to 874,953.24, 1,312,539.36 and 342,405.48
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Solution
The fourth proportional to 874,953.24, 1,312,539.36 and 342,405.48 is: 513,651.07
Step by Step Solution
- Step 1: Write the proportion equation
874,953.24 : 1,312,539.36 = 342,405.48 : x - Step 2: Convert to fraction form
874,953.24/1,312,539.36 = 342,405.48/x - Step 3: Cross multiply
874,953.24x = 1,312,539.36 × 342,405.48 - Step 4: Simplify right side
874,953.24x = 449,420,669,579.69 - Step 5: Solve for x
x = 449,420,669,579.69/874,953.24 - Step 6: Final answer
x = 513,651.07
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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.