Finding the Fourth Proportional to 531,706.92, 733,340.64 and 340,738.08
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Solution
The fourth proportional to 531,706.92, 733,340.64 and 340,738.08 is: 469,952.66
Step by Step Solution
- Step 1: Write the proportion equation
531,706.92 : 733,340.64 = 340,738.08 : x - Step 2: Convert to fraction form
531,706.92/733,340.64 = 340,738.08/x - Step 3: Cross multiply
531,706.92x = 733,340.64 × 340,738.08 - Step 4: Simplify right side
531,706.92x = 249,877,081,659.57 - Step 5: Solve for x
x = 249,877,081,659.57/531,706.92 - Step 6: Final answer
x = 469,952.66
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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.